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

Câu hỏi

______ some documents about Green Earth, Ha decided to join the organisation.

A. Having been read

B. Having read

C. Reading

D. After Ha has read

Đáp án
B. Having read

Câu hỏi thuộc Bài tập:

E11- GS- Unit 5- Practice 2