用所给的单词的正确形式填空 1.Look!The boys( )[swim]in the river.doing?

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用所给的单词的正确形式填空1.Look!Theboys()[swim]intheriver.doing?用所给的单词的正确形式填空1.Look!Theboys()[swim]intheriver.do

用所给的单词的正确形式填空 1.Look!The boys( )[swim]in the river.doing?
用所给的单词的正确形式填空 1.Look!The boys( )[swim]in the river.doing?

用所给的单词的正确形式填空 1.Look!The boys( )[swim]in the river.doing?
1.Look!The boys (are swimming) in the river.
因为从“look"可以看出,这里是现在进行时,又因为”boys(男孩)"是复数,因此要用“be swimming"的”be"要用“are".
翻译:看!男孩们正在河里游泳.
补充:be包括(is,am,are,was,were)
其中,were为are的过去式,was为(am,is)的过去式.

look! the boys are swimming in the river doing?

is swimming

are swimming