The magazine        be Lily’s, for we can find her name on the cover.

 My sister met him at the street yesterday afternoon, so he __________ your lecture.

 ---That black T-shirt with Yao Ming’s picture on it ___belong to David. He admires him a lot. ---No, it _____ be his. He hates black colour.

—Must I come back before supper, mum?—No, you        .

—Isn’t that Ann’s husband over there? ---No, it _______be him. I’m sure he doesn’t wear glasses.