Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following sentences.

Câu hỏi

With the discovery of the new material, the equipment are greatly improved.

A. discovery

B. material

C. are

D. improved

Đáp án
C. are

Câu hỏi thuộc Bài tập:

E11- GS- Unit 2- Practice 5