用所给词组的适当形式填空
as if, turn off, at last, be snowy, be trapped, try one’s best, say to oneself, wash away
【小题1】The heavy rainstorm ________________ the bridge over the river last night.
【小题2】It ________________ yesterday, so the land is all white today.
【小题3】Hundreds of workers ________________ under the building because of the earthquake.
【小题4】Don’t ________________ the light. It is too dark.
【小题5】The thieves tried to run away, but ________________ we caught them.
【小题6】“I’m still alive. I must shout for help,” Timmy ________________.
【小题7】I am weak in maths. I’ll ________________ to learn it well.
【小题8】Her eyes are red ________________ she cried just now.