(单选题)27: ______ he works hard, I don't mind when he finishes the experiment. A: As soon as B: As well as C: So far as D: So long as ...

(单选题)21: According to the air traffic rules, you _____ switch off your mobile phone before boarding. A: may B: can C: would D: should ...

(单选题)15: This　is　an　____　that　will　not　be　easily　forgotten. A: impact B: academic C: insult D: alternative ...

(单选题)9: The　news　has　not　yet　been　officially　____　by　the　government. A: struck B: confirmed C: founded D: pointed ...

(单选题)3: This　is　a　poem　about　____　life　in　the　American　West. A: bay B: chamber C: frank D: dozen ...

(单选题)47: ____ I don't mind telling you what I know. --- You _____ . I'm not asking you for it. A: mustn't B: may not C: can't D: needn’t ...

(单选题)41: The businessman failed to see how to advertise in an ( ) way. A: affect B: effect C: effective D: efficient ...

(单选题)35: He　always　____　to　everything　and　never　agrees　with　anybody. A: projects B: gives C: folds D: objects ...

(单选题)29: ______their differences. The couple were developing an obvious and genuine affection for each other. A: But for B: For all C: Above all D: Except for ...

(单选题)23: There’s no____ from my bedroom window except for some factory chimneys. A: view B: scene C: sight D: look ...