这五句句子有没有语法错误?

题目

这五句句子有没有语法错误?
1.How long did it take for the writer to find the articles in the library?
2.Finally,how many articles did the writer find?
3.What did the writer need to do after she finished her research?
4.What happened to the writer after she opened her bag?
5.How do you think about the writer?
五句回答呢1.It took eight hours.
2.She found seven articles.
3.She needed to make photocopies of these articles and pay for them.
4.She suddenly realized she didn’t bring her wallet.
5.She is forgetful.

答案

没错的,亲
第一句去 for ,take sb some time to do sth
第五句 think of 也行,最好改成 think of.