improve之间为动宾关系，故应用过去分词作宾补。

　　3．He is very popular among his students as he always tries to make them________in his lectures.

　　A．interested B．interesting

　　C．interest D．to interest

　　答案　A

　　解析　make them interested in中的them指代students，故用interested，表示"对......感兴趣"。

　　4．John received an invitation to dinner, and with his work ________， he gladly accepted it.

　　A．finished B．finishing

　　C．having finished D．was finished

　　答案　A

　　解析　在"with＋宾语＋宾补"结构中，宾补用过去分词表示完成。

　　5．Laws that punish parents for their little children's actions against laws get parents________.

　　A．worried B．to worry

　　C．worrying D．worry

　　答案　A

　　解析　get sb. worried使某人忧虑，担心。

　　6．With ________ she needed ________，she left the store.

　　A．something；to buy B．anything；having bought

　　C．everything；to buy D．everything；bought

　　答案　D

　　解析　句意为：她所需要的东西都买了，她离开了商店。with＋宾语＋宾补中用过去分词表示动作已经完成。

　　7．Who did the teacher have ______ an article for the wall newspaper just now?

　　A．written B．writing

　　C．write D．to write

　　答案　C

　　解析　句意为：刚才老师让谁为墙报写篇文章？have sb. do sth.让某人干某事。

8．-Why are you looking pleased?