IT BEGAN TO RAIN WHILE WE ... SOUNDLY.A. SLEPTB. WERE SLEEPINGC. H...

42. - 3500 CAU TRAC NGHIEM ON TAP AV THCS

3500 CAU TRAC NGHIEM ON TAP AV THCS

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Đáp án tham khảo

42. It began to rain while we ... soundly.

a. slept

b. were sleeping

c. have slept

d. are sleeping

 b