SPEAKING: Mark the letter A, B, C, or D to indicate the sentence that best completes each of the following exchanges.

Câu hỏi

Sue and Jane are talking to each other.
Sue: I think we’ll use driverless buses and flying cars in the future.
Jane: ________

A. I’m a bit tired.

B. I have a good idea.

C. I don’t know for sure.

D. Of course not.

Đáp án
C. I don’t know for sure.

Câu hỏi thuộc Bài tập:

Sue and Jane are talking to each other.Sue: I think we’ll use driverless buses and flying cars in the future.Jane: ________