(单选题)6: 104. We hadn't met for 20 years, but I recognized her __________ I saw her. A: for the moment B: the moment when C: at the moment when D: the moment ...

(单选题)14: Many experts believe that this country’s economy is on the ______ of collapse. A: edge B: limit   C: part   D: degree ...

(单选题)8:  ---- Good morning, Dr. Johnson’s office. Can I help you?   ---- _________________. A: Speaking, please B: I’d like to make an appointment, please C: Yes, go on D: No, you can’t ...

(单选题)16: This terrible accident happened _______ the cold evening of Oct. 5. 1989. A: in   B: to C: at  D: on ...

(单选题)10: I hope that you'll be more careful in typing the letter. Don't _____ anything. A: draw B: omit C: reduce  D: lead ...

(单选题)4: Business letters must always be written ______, but we usually write informally to friends. A: normally B: formally C: commonly D: typically ...

(单选题)12: —_____________—I’d like to place an order please. A: Can I help you? B: I can help you. C: What are you doing?   D: Why are you doing? ...

(单选题)20: ---- Please help yourself to the fish.    ---- ____________. A: Thanks, but I don’t like fish  B: Sorry, I can’t help C: Well, fish don’t suit me D: No, I can’t ...

(单选题)14: ---- Could I use your dictionary for a moment?   ---- _________________. A: It’s well B: It doesn’t matter C:  By all means D: I have no idea ...

(单选题)8: — Sorry, I must be leaving now, because there's a meeting.   — ____________________ . A: Oh, no, you can't B: Yes, you can leave if you like C: Do you really have to go? Couldn't you at least stay for an...