问题:
【题文】—Do you hear the noise outside?
—Yes. There must be some kids __________ outside.
A.have fun
B.has fun
C.to have fun
D.having fun
【题文】—Do you hear the noise outside?
—Yes. There must be some kids __________ outside.
—Yes. There must be some kids __________ outside.
A.have fun | B.has fun | C.to have fun | D.having fun |
参考答案: