Walking up and down the stairs is a good kind of exercise to stay _____.
I find difficult for Tom to reach that picture.He is a little short.
—Can you your little brother ?I’m busy now.—All right,mun.I’ll do it right now.
I don’t know . Can you help me?
will the weather like tomorrow?
—How many birds can you see in the trees?—I can see birds in them.