选择题_____ the door open.Don't push it.A.Pulling B.Pull C.To pul 答案是选B,A和C为什么不对呢?
问题描述:
选择题_____ the door open.Don't push it.A.Pulling B.Pull C.To pul 答案是选B,A和C为什么不对呢?
答
这是祈使句,要用动词原形开头.