问题
选择题
Some children are in the park, and they are ________.[ ]
A. having a good time
B. have a good time
C. having good time
D. have good time
答案
答案：A
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Some children are in the park, and they are ________.[ ]
A. having a good time
B. have a good time
C. having good time
D. have good time
答案：A