题目内容
Can you see two butterflies in the middle of the flowers?A.are there, fly | B.there are, flying | C.there are, fly | D.are there, flies |
B
试题分析:句意:你看见有两只蝴蝶正在花中飞吗?There be .......doing ....有.....正在做某事。there be 句型变成一般疑问句是需把be动词提前。
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