用所给单词的适当形式填空 1.What___(be)they doing.2.The__
问题描述:
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.
答
1 are 主语是复数
2 children孩子们( 复数)
3 Does 主语三单