作业帮 > 英语 > 作业

1.He found it difficult to make himself____.

来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/08/13 02:34:34
1.He found it difficult to make himself____.
A.understand B.understood
C.understands D.understanding
2.By the time he was five,he ______learning english
A.stared B.was starting
C.had started D.has started
请说明为什么!
1.He found it difficult to make himself____.
1.B
make others understand 使别人理解
make himself understood 使自己被他人理解
2.C
by the time 用于完成时
was five 是过去时,所以主句用过去完成时