(单选题)16: He （ ）the problem （ ）in his mind for a whole week before he did anything about it. A: switched...on B: kicked...up C: turned...over D: took...on ...

(单选题)10: Henry stood by me when I most needed it. I will always （ ） that. A: impress B: register C: pledge D: appreciate ...

(单选题)4: The time will come ____________ man can fly ____________ he likes in the universe. A: how ... where B: when ... wherever C: where ... where D: what ... which ...

(单选题)42: He （ ）the problem （ ）in his mind for a whole week before he did anything about it. A: switched...on B: kicked...up C: turned...over D: took...on ...

(单选题)30: — Shall we sit up here on the grass or down there near the water? — __________________. A: I'd rather stay here if you don't mind. B: Sorry, I don't like neither. C: Certainly, why not? D: Yes, we like these two places ...

(单选题)12: ( )their service, many taxi drivers in Shanghai are now learning everyday English. A: Improving B: Having improved C: Improved D: To improve ...

(单选题)6: We often hold fairs here. There are a lot of things ( ) . A: to choose from B: to choose C: to be chosen D: for choosing ...

(单选题)50: For convenience's sake, most couples in America have a ( ) bank account instead of separate accounts. A: twin B: handy C: dual D: joint ...

(单选题)26: — May I use your bike for a moment? — ____________________________ A: It's well. B: It doesn't matter. C: By all means. D: I have no idea ...

(单选题)8: The school strives to treat pupils as individuals and to help each one to achieve their full （ ）. A: curiosity B: genius C: advantage D: potential ...