If we _____careful ,fire can be very dangerous A.don't be B.are C_其他解答

If we _____careful ,fire can be very dangerous A.don't be B.are C.aren't D.won't be A不对么?

人气：237 ℃　时间：2019-12-14 21:50:49

解答

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这个是一般情况下的事,如果我们不小心的话..
不用don't 啦,因为在这样的语境中dont 需要跟着正常的动词,像if we don't treat fire carefully,it can be very dangerous.