几道初中英语题请简单说明理由1--What should we do first if we want to devel

几道初中英语题
请简单说明理由
1--What should we do first if we want to develop our village?
--A lot of new roads____,I think.
A.must build B.have to bulid C.must be built D.have built
2.--You've left the light on.
--____.I'll go and turn it off.
A.So I have B.So do I C.Nor have I D.Neither I do
3.He often stays up ____on Saturday night.
A.watch YV B.to watching TV C.watching TV D.watched TV
4.We ____ to the movies the other day.
A.went B.go Chave gone D.had gone
5、--Did you go to Jack's birthday party?
--No.I____
A.am not invited B. wasn't invited C .haven't invited D.didn't invie
6、Tom has never been to Beiging,_________?(完成反意疑问句）