【题目】It’s great on the beach.
A. to playing B. plays C. to play D. played
【答案】C
【解析】句意:在沙滩上玩是很棒的。to playing 介词to后跟动名词形式;plays是第三人称单数形式;to play动词不定式;played是过去式。这句话使用的句型是It is+形容词+to do sth.做某事是…的。故应选C。