用have has there is there are 适当形似填空:How many ducks ( ) on th

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用have has there is there are 适当形似填空:How many ducks ( ) on the river
1个回答 分类:英语 2014-12-16

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How many ducks (are there ) on the river?
河里有多少鸭子呢?
 
 
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