英语翻译1What was happening when two of the detectives opened the parcel?2What was happening when the plane arrived?

英语翻译Do you know_____over there?A.what is happened B.what happened C.what did happen D.what was happened 英语翻译：in spite of what you thought was true or expected to happen! what sth was happens是什么意思what sth was happen? what was happened 为什么不能用what was happen 1、what （ )in that shop?A、did happen B、is happening C、was happened D、did it happen what has happen 和what was happen 和what happen有什么区别,它们后面都能加to吗? what happened/what was happened/what is happened/what happen/what is happeniwhat happened/what was happened/what is happened/what happen/what is happening这些用法都有吗 What happen what happen Now Frank realized what was going to happen i really did not know what was （happen）outside What ____ you yesterday A happen B happen to C happened to D was happened to 为什么有时happen用助动词进行提问,而有时则不用?如：What will happen...What happened...What did happen...What was happening. 英语翻译Was this ( )筹划 ,or did it just happen? 选择题what ______to him just now ? A.happen B.was happen c.was happened D.happened需要解析 英语翻译what could happen to a clone of a lant containing a large number of individuals if a virus affecting that plant was to appear? 英语翻译please call her to know what had happen clearly. What happen还是What is happen?