情景对话，根据左边句子的意思从右边中选择合适的答语，将序号填在括号里
( ) Those are . A.tree B. flower C. flowers
( ) These green trees. A. is B. are C. was
( ) The birds are playing the rain. A. on B. in C. at
( ) Baby, please to your room. A. going B. go C. to go
( ) Amy’s playing piano. A. the B. a C.\
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