eens don’t get enough sleep because they havetoo much homework to do, which _______ them up at night．

Do you think an advertisement is ______ help when you look for a new job—Well, it all depends. Anyway, it gives me more of ______ chance to try.

Mum, I’m going to see a film with Lily today.— _________________!

Did you get my letter? —I received one just as I__________

I ______have come here in time, but I met an old friend of mine. I stopped and talked with him for some time.