(单选题)37: I don't know whether you happen____________, but I am going to study in the U.S.A this September. A: to be heard B: to be hearing C: to hear D: to have heard ...

(单选题)8: We all know knowledge begins ___ practice. A: at B: from C: in D: with ...

(单选题)45: Robert is said ____________abroad, but I don't know what country he studied in. A: to have studied B: to study C: to be studying D: to have been studying ...

(单选题)21: From this article we know that many __ ____are leaving Medicare. A: HMOs B: medical association C: health groups D: patients ...

(单选题)29: I don’t know why she’s looking at me ______ she knew me. I’ve never seen her before in my life. A: as B: although C: even if D: as if ...

(单选题)1: I know it isn’t important but I can’t help ______ about it. A: but to think B: thinking C: think D: to think ...

(单选题)5: — You know, I have three kids now. — ____________________ A: Well, I’ve grown a mustache. B: That’s terrific! C: Say, you’ve really changed your hair. D: Well, I gave up drinking. ...

(单选题)16: —I didn’t know my identity card was needed, sir.—_____________ A: That’s sorry. B: I’ don’t believe you. C: Sorry, but that’s no excuse. D: Why do you say that? ...

1. —I’d like to know what insurance you will cover for your clients.— _________? ? ? ? ? ? ? ? ? ? ? A. Insurance is necessary for our clients. B. I suggest a Free of Particular Average Policy. C. Sure, but there is an extra premium for...

1. – I didn't know my identity card was needed, sir. – ________________________________ A. How dare you say that? B. Sorry, but that's no excuse. C. I don't believe you. 2. -These are certainly beautiful flowers. Thank you very much. -___...