关于happen的用法1.There are some policeman over there. What is ____ in the stree?A.happening B.happen2.---What happens? ---I can not find my watch. 为什么是happens不是happend?3.有There be happening这个用法吗?如果没有,应该

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关于happen的用法1.There are some policeman over there. What is ____ in the stree?A.happening B.happen2.---What happens? ---I can not find my watch. 为什么是happens不是happend?3.有There be happening这个用法吗?如果没有,应该
关于happen的用法
1.There are some policeman over there. What is ____ in the stree?
A.happening B.happen
2.---What happens?
---I can not find my watch.
为什么是happens不是happend?
3.有There be happening这个用法吗?如果没有,应该是怎样?
4.——We haven’t heard from Jane for a long time.
——What do you suppose____to her?
A. was happening B. to happen C. has happened D. having happened
这个选C.为什么不是B?不是有suppose to do吗?

关于happen的用法1.There are some policeman over there. What is ____ in the stree?A.happening B.happen2.---What happens? ---I can not find my watch. 为什么是happens不是happend?3.有There be happening这个用法吗?如果没有,应该
1What's wrong?; What's happening?
出了什么事?所以选 B
2口语
3there be 表示存在 是延续的 happen 一般为不延续 所以不能通用 用法见1
do you suppose 是插入语 不做成分 可以舍去 完成时表示动作完成在过去 所以选C