问题描述:
much ( )to help the farmers in our country after the earthquake.
1.has done
2.have been done
3.was been done
4.has been done
说明选择那个答案的理由,我认为是选A,没有被动,
much后为什么谓语动词要单数呢
1.has done
2.have been done
3.was been done
4.has been done
说明选择那个答案的理由,我认为是选A,没有被动,
much后为什么谓语动词要单数呢
问题解答:
我来补答展开全文阅读