I won’t go to Yukio’s birthday this Saturday evening. — If you don’t, ______. [ ]

Mother giant pandas have only one or two babies . [ ]

I think English is __________ unimportant subject.— I don’t think so. It is __________ useful tool when we talk with foreigners.

Could you tell me _____ you’ll be away? —Only one week. [ ]

do you go to see a film?—Twice a month.[ ]