He didn't give an adequate answer to the question.

　　他沒有對這個問題作出滿意的答復。

　　He always turns up just when you least expect him.

　　他總是在你最意料不到的時候出現。

　　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。

　　A free trade agreement would be advantageous to both countries.

　　自由貿易協定對兩國都會有利。