Question

用方框中所给动词的适当形式填空 （5分）

learn help work invite do

1.You never know how much difficulty we had _________ out the problem.

2.I’ll go to the concert with you if all my homework ________ tomorrow afternoon.

3.The girl devoted all her time she had to _________ others.

4.He insists she ____________ to our party tomorrow.

5.The students ___________ 2000 English words by the end of last term.

Answer 1

1.working

2.is done

3.helping

4.(should) be invited

5.had learned

【解析】

试题分析：

1. difficulty(in) doing sth. 同时考查work out解决。故填：working

2. done

3.

4. be invited

5. the end of 引导的时间状语，体现为过去完成时，因此填写had learned.故填：had learned

考点：用动词的适当形式填空。