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Nowadays, the environment is polluted, so what should we do to protect the environment ? Firstly, we shouldn't throw rubbish into the river or the beach. Beacause if we don't do that, all the fish and aquatic animals will die. Secondly, we should use public transports such as : bus, train, ... instead of private transports to reduce smoke. Thirdly, I think we need plant more trees because the trees make the air cleaner. In short, we can protect the environment by that ways.
bỏ từ "don't" ik nhé bn vì cho vào sẽ làm sai nghĩa.
1. They shouldn't wear hats in the pagoda.
2. Children are obliged to live with their parents until they reach the age of 18.
3. Do I have to tip in a coffee shop?
4. Staffs don't need to wear vests in their company.
5. We should keep our traditional customs.
6. You must remove your shoes when entering a temple.
7. People mustn't take photos at some sacred places.
8. It's Saturday tomorrow, so Jane doesn't have to get up early.
9. You should ask them about their customs.
10. How about looking for the information on the Internet?
1. I have just run 10 kilometers. I’ve never run farther than this =>This is.........the farthest i have ever run...............................
2. The bill isn’t as expensive as I thought it would be =>I thought.......the bill is more expensive......................................................
3.Computers used to be much more expensive than they are now=> computers are...........not as expensive as it used to be..........................................
4. Not as much coffee is drunk by young people as soda => Young people drink.....more soda than coffee..........................................................
5.I had expected the meal cost more than that. =>The meal didn't .........as much as i had expected..............................................................
6. The journey takes four hours be car and five hours by train. => It takes.........the journey 4 hours by car and five hours by train. ....................................
Rewrite the sentences using should/ shouldn't
1. Don't touch this switch.
-> This switch...........shouldn't be touched............................
2. It isn't a good idea for you to put so much salt in the soup.
-> You shouldn't .................put so much salt in the soup.............................................
3. It isn't a good idea for you to drink so much alcohol
-> You shouldn't ...........................drink so much alcohol....................................
4. Don't trip over the step into the kitchen
-> You shouldn't .......................trip over the step into the kitchen........................................
5. You can't park here because it's a restricted area.
-> You shouldn't ...........................park here because it's a restricted area.....................................
6. Why didn't they tell me about these changes earlier?
-> I should have been ..........told about these changes earlier..........................................
7. Don't lean against the newly-painted wall.
-> You shouldn't ................lean against the newly-painted wall..................
1. The coffee is extremely hot. I can't drink it.
=> __________The coffee is too hot for me to drink .__________________________________
2. The coat is very short. He can't wear it.
=> ______________The coat is too short for him to wear ______________________________
3. The food was extremely hot. We couldn't eat the food.
=> ________The food was too hot for us to eat _____________________________________
4. This exercise is very difficult. She can't do this exercise.
=> _______________This exercise is too difficult for her to do ______________________________
5. The suitcase is very heavy. The children can't carry it upstairs.
=> _______ The suitcase is too heavy for The children to carry it upstairs._____________________
1. The coffee is extremely hot. I can't drink it.
=> The coffee is too hot for me to drink.
2. The coat is very short. He can't wear it.
=> The coat is too short for him to wear.
3. The food was extremely hot. We couldn't eat the food.
=> The food was too hot for us to eat.
4. This exercise is very difficult. She can't do this exercise.
=>This exercise is too difficult for her to do.
5. The suitcase is very heavy. The children can't carry it upstairs.
=> The suitcase is too heavy for the children to carry upstairs.
VI.Choose the sentence which is closet in meaning to the sentence above
1. He drinks too much coffee
a.he should drink fewer coffe
b.he shouldn"t drink coffee
c.He should drink less coffee
d.he should drink more coffee
2. i don't have enough meat
a.I need more meat
b.i need less meat
c.i need fewer meat
d.i don"t need more meat