首页 > 留学知识库

问题: 选择题

I'm soory,I really don't konw _____the clock
A.to mend B.how should I mend
C.what to mend D.how to mend

解答:

选择D
疑问词+不定时作宾语的用法.动词不定式用在疑问词how where when what which 等之后作宾语或宾语补足语