来自孙建伶的问题
ifit___tomorrow,we'llgoswimming.选择A.isn'trainB.doesn'train.为什麽答案是B而不是A?不是都是助动词吗?如果是Charlie____herenextmonth?A.isn‘tcomingB.doesn’tcome选什麽呢?
ifit___tomorrow,we'llgoswimming.选择A.isn'trainB.doesn'train.为什麽答案是B而不是A?
不是都是助动词吗?
如果是Charlie____herenextmonth?A.isn‘tcomingB.doesn’tcome选什麽呢?
3回答
2020-11-17 05:19