听录音，找出与其相应的图片，并圈出其字母编号。
( ) What this? A.is B was C are
( ) --- are those? --- They’re boats. A.What B.Where C.How
( ) Those are . A.tree B. flower C. flowers
( ) These green trees. A. is B. are C. was
( ) The birds are playingthe rain. A. on B. in C. at
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