Could you tell me his phone number? — _______ the phone book and find it out yourself.

My son, ___________ exercise every day. It’s good for your health.—OK.

I wonder how he could _____not handing in his maths exercises yesterday, for his maths teacher isalways strict with his students. [ ]

Mary and I see each other ________, but not as often as we used to.

Mr. Gao, I don’t understand the meaning of this newword. —Youcan __________ the word in your dictionary. I believe you can understand itwell.