We’ve been _____ for her for 5 hours.

the local authorities put more attention to thesafety of the children, more than 20 lives __________ in Gansu Province.

We played football this afternoon.Why didn’t you play with us—Sorry, I really wanted to. But I __________Jim fix his bike then.

Margie shows a very positive attitude ____ her work

I think it is going to be a big problem.—Yes，it could be.—I wonder__________we can do about it.