where and when the accident .单项选择A has ,happened B was ,happenedC is ,happening D did happen

then ___ is the cat and where is the fish?A what B when C where D who when and where还是where and when when and where to build the new factory___yet when and where 为什么是同一概念? 纠错:When and where the meeting will be held still remain a question. when and where to bulid the new factory___yet A.has not decided B is not decided This is the park____ we visited last weekend. A where B which C what D when 怎么区分where 和 whichWe like the restaurants_____ the environment is clean and quite. A which B that C where D when When and where will the World Expo will be held? When and where was the first Olympic Games held? When and where did you visit the Science Museum? when and where was the first olympic ganes heald When and where did the modern Olympic Games start? When and where _____ the last Olympic Games _____ (hold)? When and where did the ancient Olympic Games stsrt? When and where were the books found?改成主动语态 when and where we can't see the _____shall we meet?回答：We will meet at the park at 3:00 pm.A.Where and whenB.When and where What i asked him is＿the story happend.A.when and what B.what and where C.which and whereD.when and where为什么答案是选D. professor James will give us a lecture on the Western culture,but when and wherehasn't been decided yet.when and where后面省略了什么句子