Who is a millionaire?

Choose the most correct answer.

Câu hỏi

Question 6 : We (wait)...... for her for 30 minutes.

A. A waited

B. B have been waiting

C. C has waited

D. D has been waiting

Đáp án
B. B have been waiting

Câu hỏi thuộc Bài tập:

Distinguish between the usage of the present perfect continuous tense and the present perfect tense.