(单选题)23: Jack was very hard-working, but he failed in the last exam. He ( ) a lot about why his effort could not lead to good mark. A: wondered B: wandered C: guessed D: considered ...

(单选题)11: What　they　produced　has　no　any　____　value.　But　it　is　very　useful　to　their　research. A: filter B: fold C: partial D: commercial ...

(单选题)5: _________ was most important to her, she told me, was her family. A: It B: This C: What D: As ...

(单选题)49: She was complaining that the doctor was ______ too much for the treatment he was giving her. A: expending B: offering C: costing D: charging ...

(单选题)37: We　____that　it　will　take　another　four　months　to　finish　this　plan. A: grant B: estimate C: council D: check ...

(单选题)31: The place _______ the bridge is supposed to be built should be ____ the cross-river traffic is the heaviest. A: which; where B: at which; which C: at which; where D: which; in which ...

(单选题)25: It　is　highly　____　that　he　come　here　tomorrow　to　join　us. A: desirable B: doubtful C: good D: wanted ...

(单选题)19: This　is　not　what　we　asked　you　to　do.　You　can　not　get　more　pay　for　the　____work. A: owing B: device C: tired D: extra ...

(单选题)13: He didn’t make ________ clear when and where the meeting would be held. A: this B: that C: it D: these ...

(单选题)7: As a result of careless washing the jacket ______ to a child's size. A: compressed B: shrank C: dropped D: decreased ...