Exercise 1. Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions. (1.6 points)

Câu hỏi

We _ many sport cars when we _ for the bus.

A. saw - were waiting

B. were seeing - waited

C. saw - waited

D. were seeing - were waiting

Đáp án
D. were seeing - were waiting

Câu hỏi thuộc Bài tập:

We _________ many sport cars when we _________ for the bus.