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

I near the fence when suddenly I the voices.

A. stood – heard

B. stood - was hearing

C. was standing – heard

D. was standing - was hearing golf.

Đáp án
C. was standing – heard

Câu hỏi thuộc Bài tập:

I ____ near the fence when suddenly I ____ the voices.