of后面加什么引導詞

　　The project is still causing him a lot of problems.

　　這項工程現在仍然給他帶來許多的麻煩。

　　The need to communicate is a key characteristic of human society.

　　需要交流是人類社會最重要的一個特征。

　　The new test should aid in the early detection of the disease.

　　新的化驗應該有助于早早檢查出這種疾病。

　　A number of measures were taken to alleviate the problem.

　　采取了一系列措施緩解這個問題。

　　Much of the form was not applicable to me.

　　表格中很多部分不適用于我。