问题描述:
she sitting in the room为什么不加IS
我在做一个填空题时,Our teacher(stand not)____up right now.She (sit)_____on the corner of her desk.正确答案是:doesn't standing sitting,为什么不是isn't standing is sitting呢?
我看书中正确答案是doesn't stand 和sitting,上面的正确答案写错了
我在做一个填空题时,Our teacher(stand not)____up right now.She (sit)_____on the corner of her desk.正确答案是:doesn't standing sitting,为什么不是isn't standing is sitting呢?
我看书中正确答案是doesn't stand 和sitting,上面的正确答案写错了
问题解答:
我来补答展开全文阅读