If he had been __________(care),he would not have fallen from the ladder.

问题描述:

If he had been __________(care),he would not have fallen from the ladder.
为什么填写careful?语法是什么?
我几乎不学语法,我直接可以读出来时写careful不知道为什么.

be动词后面常接形容词,一起作系表结构.
很高兴为你解答!
请及时采纳哦!多谢你的问题!