He ______ sleep,although he tried to. One cup of coffee in the late afternoon caused him tostay awake almost all night.
—What a lovely present!Who sent it? __________it be your brother?
—It __________be my brother. He doesn't know today is my birthday.
—Excuse me, are the glasses Mike’s?
—No, they __________be Mike’s. He doesn’t wear glasses.
— Is that man your friend Tom?
—That man ________ be him,because he has gone to Canada.
—Sam, ________ I join you in the community service?
—Of course you can.
________you smell something burning? Go and see what's happening.
下面四个交通标志图是轴对称图形的是（ ）
—Could you hang out with me, Kate?
—Sorry, I ________. I have to do my homework.
