ering his health, I advisehim to ______ an hour or two each day to work out.

I’m too tired and I need a good rest.

Guess what! I have got A for my term paper.— Great! You _____ read widely and put a lot of work into it..

How do you plan to travel to Beijing, Jack—I haven’t made up my mind ________to go by plane or not.

It took ______ people as well as ______ time to buildthe pyramid.