11. " It's such a nice place," Mother said as she sat at the table______ for customers.
A, to be reserved B, having reserved C, reserving D, reserved
12. According to scientists, our mental abilities begin to ___ from the age of 27 after reaching the highest level at 22.
A, differ B, shrink C, fail D, decline
13. Peter had intended to take a job in business, but ______ that plan after the unpleasant experience in Canada in 2010.
A, had abandoned B, abandoned C, abandon D, will abandon
14. Brown said he was by no means annoyed; _______ he was glad to be able make himself clearly understood.
A, all in all B, for one thing C, on the contrary D, by the way
15. Armed with the information you have gathered , you can ________ preparing your business plan. A, set out B, set about C, set off D, set up
16. ----- Alvin , are you coming with us?
------ I'd love to , but something unexpected __________.
A, has come up B, was coming up C, had come up D, would come up
17. Ellen was a painter of birds and nature, _______, for some reason , had withdrawn from all human society. A, which B, who C, where D, whom
18. Mike was usually so careful, ________this time he made a small mistake.
A, yet B, still C, even D, thus
19. Had they known what was coming next, they ________ second thoughts.
A, may have B, could have C, must have had D, might have had
20. ----- I'm going to San Francisco for a couple of days .
------ ________, I wish I could get away for a while.
A. It doesn't matter B. Forget it. C. I really envy you D. I can't agree more
参考答案：
BCDCA BCDBA DDBCB ABADC
