You should make it a rule to leave things________you can find them again.

Do you _________ lots of time exercising every day —Yes, it’s good formy health.

The museum opens __________ 8:00 a.m. __________ this Monday.

May I take this magazine out of reading room-No, you________. That’s against the rule.

______ exceptionally heavily might railway services be temporarily dislocated (扰乱).