Question 28: D. known
Question 29: B. and
Question 30: C. original
Question 31: D. to
Question 32: D. awarded

1. Mai plays the guitar very well.

2. How about going to the beach and having a good time there?

3. How many teachers does your school have?

4. How wide is the Great Wall?

(4-\(\dfrac{2}{7}\)x3):\(\dfrac{1}{3}\)

=(4-\(\dfrac{6}{7}\)):\(\dfrac{1}{3}\)

=\(\dfrac{22}{7}\):\(\dfrac{1}{3}\)

=\(\dfrac{66}{7}\)

D

1.salad
2.milkshake
3.fries
4.sandwich

4,5 x 3,7=16,65