Question

[Lê Quỳnh Anh]

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Having finished his term paper before the deadline, it was delivered to the professor before the class.

A. Having finished

B. before the

C. it was delivered

D. professor before

Answer 1

[Dương Hoàn Anh]

Đáp án C.