You’ll surely be on time ____ you go now.[ ]

Not only _____________ vital for reducing fever, but__________ also other things that it can help with.

How far can you run without stopping— ______. I’ve never tried.

.-Jim,are you this Saturday?-Oh,sorry.I need to go to the bookshop the bank on Saturday. [ ]

观察下面4个选项,从中选出不同类的选项。