题目内容：

Be careful and ____(A.not try to B.try not to C.don't try to D.not to try)have a fall on the ice.

优质解答

选B
Be careful and _try not to have a fall on the ice.
祈使句try not to do sth.不要做什么…… 要小心,不要在冰上摔一跤.
Don't try to意思是不要试着去摔
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