(2009福建顺昌模拟)——We can never forget the days _______ the two astronauts in spaceship worked together and the days ________ we spent together

I want to know if they _____ the spring sports meeting next monthIf they ___ it, I must get ready for it

It suddenly occurred to him ______ he had left his keys in the office.[ ]

holiday cost a lot of money.— Did it Well, that doesn’t matter________youenjoyed yourselves.

am afraid something terrible has _______. I won’t be able to see you tonight.