问题描述:
Who _____ not here?Lucy and Lily are not here
Who 提问后面用单数还是复数呢也就是所这里是填 are 还是is?
Who 提问后面用单数还是复数呢也就是所这里是填 are 还是is?
问题解答:
我来补答展开全文阅读
问题描述:
问题解答:
我来补答