问题

In the north people sometimes tie straw ropes (草绳) round the trees in winter to ______ them from the cold.

A:stop
B:prevent
C:save
D:protect

正确答案是：

同类题型

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you out the physics problem, Kathy— Not yet, but I’m going to.

Paper cutting looks very easy ______ it may be difficult to do.

__________ fire, all exits must be kept clear

Yesterday a thief_________ the bank and helped himself to millions of money.