swimming dictinaries
there be 结构用doing
one of译为.之一,说明是复数形式
There are many boys_____(swim) in the river now.适当
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相关问题
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there are boys swim in the river
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The boys are swimming in the river
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there are many boys ----the classroom now
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look The boy[ ]in the river.1 swimming 2 swims 3 are swimmin
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there are some boys swimming in the pool
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There are many boys on the river（变否定,一般疑问）
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How many_____are there in the swimming pool?
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the boys don't swim in the river (用now做时间状语改写句子）
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The boy likes swimming in the river in th
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They (swim;are swimming)in the river