填空题
A beam of light will not bend round corners unless(make) to do so with the help of a reflecting device
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made
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A beam of light will not bend round corners unless(make) to do so with the help of a reflecting device
Night(fall), we hurried home.
I wonder if he could get it(do) before tomorrow.
I shall never forget(meet) the late Premier Zhou during his inspection of our factory.
Matter is the name(give) to everything which has weight and occupies space.
He refused to tell us whether he(undertake) the job.
How longthey(dig) the ditch?
he teacher told them since light(travel) faster than sound,lightning(appear) to go before thunder.
The director recommended that she(study) more English before going abroad.
“Have you moved into the new flat? ” “Not yet. The rooms(paint). ”
He fell asleep immediately last night; he must(be) very tired.