The light in his office is out. He_________ left for home.

 He _____ have gone to Shanghai, for I saw him a moment ago.

Now that the sign reads, “No person ______ smoke here”, please choose a seat in the smoking area over there if you _______ smoke.

—What does the sign over there read?—No person        smoke or carry a lighted cigarette, cigar or pipe in this area.

—Must I go to the shop with you，Mum?—Err... I can make it myself，Mike. You         go with me.