(单选题)37: Until?he?told?me?,I?knew?_____?about?it. A: anything B: something C: everything D: nothing ...

(单选题)31: John is very capable. You see, although the problem was very difficult, he ( ) to solve it at last. A: tried B: decided C: promised D: managed ...

(单选题)25: I will tell him the news as soon as he___ back. A: come B: comes C: will come D: came ...

(单选题)19: Is?______?at?its?best?in?spring? A: nature B: the?nature C: a?nature D: natures ...

(单选题)13: Since the early nineties, the trend in most businesses has been toward on-demand, always-available products and services that suit the customer’s _________ rather than the company’s. A: benefit B: availability C: suitabil...

(单选题)1: He checked carefully to _______ the possible errors in his design. A: eliminate B: exceed C: enlarge D: vibrate ...

(单选题)45: Eggs were on sale, and the shoppers ( ) the bargain. A: snatched up B: snapped up C: smashed up D: summoned up ...

(单选题)39: Tom is interested in and clever at many different things,so he is ( ). A: vertical B: versatile C: variable D: vigorous ...

(单选题)9: In Nearly any country, there always exists a ( ) gap between the old and the young. A: generation B: helicopter C: noticeable D: ounce ...

(单选题)29: Look at all the corruption that’s going on. It’s time the city was ( ). A: cleaned out B: cleaned down C: cleaned away D: cleaned up ...