(单选题)33: Tom was busily ______ painting the furniture. A: engaged B: engaged in C: engaged to D: engaged with ...

(单选题)15: He soon received promotion, for his superiors realized that he was a man of considerable ____. A: ability B: future C: possibility D: opportunity ...

(单选题)3: ________ he discovered in his experiment is very important to us. A: That B: When C: What D: Where ...

(单选题)37: She once again went through her composition carefully to ____________ all spelling mistakes from it. A: withdraw B: abandon C: eliminate D: diminish ...

(单选题)31: Sometimes children have trouble fact from fiction and may believe that such things actually exist. A: of separating B: for separating C: separating D: to separate ...

(单选题)19: Computer technology will _____ a revolution in business administration. A: bring around B: bring about C: bring down D: bring up ...

(单选题)13: You can go out, ____________ you promise to be back before 11 o’clock. A: as far as B: as long as C: as well as D: as soon as ...

(单选题)35: Parents need to be fully informed so they can make a ______ decision. A: rational B: right C: profitable D: beneficial ...

(单选题)23: He doesn’t believe the worker can ____________ to assemble the motorcycle all by himself. A: succeed B: pursue C: manage D: handle ...

(单选题)17: He ________ to his customers and halved the price. A: leaked B: yielded C: drew D: quoted ...