问题
选择题
Look! The students ________ basketball on the playground .
A．play
B．playing
C．are playing
D．is playing
答案
答案：C
根据look ，可判断是现在进行时，而主语为复数形式，故选C
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Look! The students ________ basketball on the playground .
A．play
B．playing
C．are playing
D．is playing
答案：C
根据look ，可判断是现在进行时，而主语为复数形式，故选C