关于carefulwithfireAThat的百科

•      isimportant     carefulwithfire.A.That;be         ...

• 问题详情：     isimportant     carefulwithfire.A.That;be         B.It;to               C.It;tobe          D.That;tobe【回答】C 这里考查动词不定式作主语，用it作形式主语，真正主语动词不定式放在后面。句意：当心火灾是...
• 2021-10-1325072