用所给单词的适当形式填空 1.What___(be)they doing.2.The__用所给单词的适当形式填空 1.What___(be)they doing.2.The___(chird)are playing football now.3.___(do)your gramgma hawe a computer.

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用所给单词的适当形式填空 1.What___(be)they doing.2.The__
用所给单词的适当形式填空 1.What___(be)they doing.2.The___(chird)are playing football now.3.___(do)your gramgma hawe a computer.

1 are 主语是复数
2 children孩子们( 复数)
3 Does 主语三单

are children Does