we will have to finish the work hard if you don't help u

we will have to finish the work hard if you don't help us.（同义句）we can't finish the work __ __ your help.
除了摇滚乐,你还喜欢什么?what else do you like __ __ __ __ __
究竟是谁打碎了玻璃?__ __ __ broke the window?
谁到机场接了你们?who __ you __ the __?
I think maths is __(interesting)of all the subjects.
some people __ (read )books in the library.Please go into it __ (quiet).
-what do you think of travelling by plane?-It's the __(expensive) way to travel.