问题

______ proves that Jack is really enthusiastic andcautious.

A:proving
B:When ithappened
C:What happened
D:That hashappened

正确答案是：

同类题型

The question is quite difficult, so _______ students can work it out.

下列词语中，没有错别字的一项是（）

By the time he arrived at the airport, the plane .

Mother promised she _____ me an English-Chinese dictionary.

We’ve offered her the job, but I don’t know ________ she’ll accept it.[ ]