They spent time the computer games.A. much on playingB. many playingC. lots of to play

问题补充：

They spent time the computer games.

A. much, on playing

B. many, playing

C. lots of, to play

D. plenty of, playing

答案：

A. much, on playing

B. many, playing

C. lots of, to play

(答案→)D. plenty of, playing

解析：此题重点考察常用句型结构“sb. spend sometime (in) doing sth. ”。plenty of表示许多，可用来修饰可数名词，也可用来修饰不可数名词。