(单选题)13: Experts say walking is one of the best ways for a person to ________ healthy. A: preserve B: stay C: maintain D: reserve ...

(单选题)1: "I have never seen a Beijing policeman." "You_____ one. You've been in Beijing a week already." A: must see B: will have seen C: would have seen D: must have seen ...

(单选题)15: Some pop singers have much influence _____ the young people. A: to B: for C: onto D: on ...

(单选题)9: I’ll never forget the day ______ I became a doctor. A: which B: when C: of which D: in that ...

(单选题)3: I am especially glad that Bob decided to come to the party because we hadn’t seen him _____ several months. A: since B: until C: before D: for ...

(单选题)17: — Could you pass me the salt and pepper? — ____________________ A: Sorry, I didn’t know what you mean. B: Ok, here you are. C: No, I won’t. D: I don’t know. ...

(单选题)11: I don’t feel like ____ today. A: singing B: sing C: singed D: sing ...

(单选题)5: — How about going to dinner at the Mexican restaurant tonight? — ____________________ A: Forget it. B: Sorry, I like Mexican food. C: That’s great! D: Glad you like it. ...

(单选题)19: About the sixth century A. D. when few Europeans could read, the Chinese ____paper. A: invented B: had invented C: have invented D: had been invented. ...

(单选题)13: — What’s the weather like in your hometown? — ____________________ A: It’s a nice place. B: I like the food there. C: He asks me whether I like the weather. D: It’s cold in winter and hot in summer. ...