Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

Câu hỏi

At last, he admitted_______that box.

A. to open

B. open

C. to be opened

D. opening

Đáp án
D. opening

Câu hỏi thuộc Bài tập:

E11- GS- Unit 4- Practice 6