It’s important fire.A. to careB. be carefulC. to be carefulD. to be careful with

发布时间：2020-08-20 15:29:57

It’s important      fire.
A. to care
B. be careful
C. to be careful
D. to be careful with

网友回答

A. to care
B. be careful
C. to be careful
(答案→)D. to be careful with
解析：考查不定式作主语和固定短语。It是形式主语，不定式是真正的主语，be careful with小心。。。。。。所以选D。
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