答案：badly

　　4．He likes to sleep with the windows ________ (close)．

　　解析：the windows 与 close 之间为被动关系，故用过去分词作宾补。

　　答案：closed

　　5．People like to ride bikes for ________ (convenient)．

　　解析：名词作宾语。

　　答案：convenience

　　6．There is plenty ________ space for parking cars.

　　解析：plenty of 充足的。

　　答案：of

　　7．________ he goes, he always takes his umbrella with him.

　　解析：wherever 引导让步状语从句，意为"无论哪里"。

　　答案：wherever

　　8．He was allowed ________ (use) the facilities in the lab.

　　解析：be allowed to do sth. 被允许做某事。

　　答案：to use

　　9．The problem was ________ he was against my plan.

　　解析：that 引导表语从句，无意义，也不充当任何句子成分。

　　答案：that

10．We benefit ________ taking exercise regularly.