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Many of the audience asleep when they the lecture. [ ] A. fell; were hearing B.

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Many of the audience asleep when they the lecture. [ ] A. fell; were hearing B.

Many of the audience _________ asleep when they _________ the lecture.

[]A.

fell; were hearing

B.

were falling; heard

C.

had fallen; heard

D.

fell; had heard

试题答案

答案:A