【简答题】Section C Tom arrived home and discovered that he had ________his door key. He rang the bell, but nobody came to _________ the door. He rang again, and still there was no _______. He walked around t...
【单选题】-- I'm sorry, but the boss isn t here yet. Shall I have him call you when he comes back? -- No, I ll call him back. If I call again in half an hour, do you think he _______?