.My little son could do nothing but outside all day long.A. playB. to playC. to playingD.

发布时间：2020-08-17 12:39:11

.My little son could do nothing but     outside all day long.
A. play
B. to play
C. to playing
D. to be playing

网友回答

(答案→)A. play
B. to play
C. to playing
D. to be playing
解析：句子谓语动词是do或句中用to do作定语时，but/except后的不定式一般不用to.
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