(单选题)28: The car, at least as we know it, is on the way out, because its exhaust ( ) a threat to the environment. A: originates B: poses C: offends D: paralyzes ...

(单选题)16: You ____ buy some reference books when you go to the college. A: could B: will have to C: must to D: might ...

(单选题)10: ----The baby is hungry. ----But there’s ___milk in the bottle. A: little B: a little C: few D: a few ...

(单选题)4: Take this medicine twice a day, Peter? Do I have to take it? It _____ so terrible. A: is tasting B: is tasted C: tastes D: has tasted ...

(单选题)24: The meeting was successful and ended with a(n) （ ） to step up cooperation between the six states of the region. A: testimony B: pledge C: evolution D: signature ...

(单选题)18: Bicycle riders want the city government to set aside special lanes for bicycles on some of the main streets, but though they have got some supporters, （ ）likes the idea. A: everyone B: not everyone C: no one D...

(单选题)50: — Must I take a taxi? — No, you_________. You can take my car. A: had better to B: don't C: must not D: don't have to ...

(单选题)38: If your monthly salary exceeds 10,000, you have to （ ） 20% tax from the sum you receive. A: designate B: repay C: subtract D: snatch ...

(单选题)14: The water gives up energy and becomes cooler____________the ice receives energy and melts. A: when B: while C: for D: because ...

(单选题)8: — Shall we sit up here on the grass or down there near the water? — __________________. A: I'd rather stay here if you don't mind. B: Sorry, I don't like neither. C: Certainly, why not? D: Yes, we like these two places ...