Only when you have finished your homework ______ go home.
Modern science has given ____clear evidence ____ smoking can lead to many diseases ____ it’s time for us to take measures.
____ the aid from the government, the flood-stricken area ____ greater loss.
– James didn’t ____ last night, did he?– No. He ____. We had changed our plan.
The crowd cheered wildly at the sight of Liu Xiang, who was reported, throughout the whole country, ____ the world record in the 110-meter hurdle race.
As nobody here knows what is wrong with the machine, we must send for an engineer to ____ the problem.
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