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

Câu hỏi

There you are! I _______ for two hours. Where have you been?

A. am waiting

B. wait

C. waited

D. have been waiting

Đáp án
D. have been waiting

Câu hỏi thuộc Bài tập:

E9- Vào 10- Đề ôn 16