课时作业(三) Ⅰ.单项填空1.—Would you mind________the window?It’s hot here!—________.A.to open;No,please B.open;Yes,pleaseC.opening;No,of course not D.opening;Yes,please2.I didn’t manage to do it ________ you had explained how.A.until B.unlessC.when D.before3.—Excuse me,can you tell me what “DIY”stands for?—It is ________ for “Do it yourself”.A.short B.fitC.suitable D.famous4 . The little boy ________ the bus as soon as it stopped , but to his disappointment,there was no seat left.A.got off B.got out ofC.got down D.got on5.When he moved to New York in ________ sixties,he was only in ________ twenties.A.the;the B.the;hisC.his;his D.his;the6.The young man acted strangely during the interview.He made a bad ________ on the employer.A.impression B.expressionC.experience D.opinion7.Seeing the happy________of children playing in the park,I am full of joy and confidence in the future of our country.A.scenery B.sceneC.view D.sightseeing8 . The film is really wonderful.It’s such a long time ________ I enjoyed myself so much.A.when B.beforeC.as D.since9.—You speak such good English.Have you been abroad before?—Yes.I ________ in Britain four years ago.A.studied B.had studiedC.was studying D.have studied10 . The World Wide Web is sometimes jokingly called the World Wide Wait because it ________ be very slow sometimes.A.will B.canC.should D.must11.—________ the editor at the airport?—No,he ________ away before my arrival.A.Have you met;has drivenB.Had you met;was drivenC.Did you meet;had been drivenD.Have you met;had driven12 . ________ to his research work , the professor cared little about any other things.A.Devoting B.DevotedC.Having devoted D.To devote13.I’ve...