Must I return the book today I haven’t finished it.—It depends on how long you have ____________ it You should return it two weeks.

You’d better give up smoking. It’s bad for your health. ——

s attended the Olympics Games three times, so he has the _________ of rich experience.

I’d appreciate ___________ if you could let me know in advance whether or not you will come.

ful accident ___, however, occur the otherday.” The old man repeated, trembling all over.