单项选择题
A. get up B. got up C. to get up D. gotten up
-We didn't see him at the lecture yesterday. -He （） it...
单项选择题-We didn't see him at the lecture yesterday. -He （） it.
A. would have not attended B. can not have attended C. needn't have attended D. mustn't attend
leaving the market place, the fat man looked pleased （）...
单项选择题leaving the market place, the fat man looked pleased （） himself（）having discovered a bargain.
A. at, for B. at, at C. with, for D. with, at
During the Ice Ages, man developed the use of tools, an...
单项选择题During the Ice Ages, man developed the use of tools, and this is a way of protecting himself against（）
A. conflicts B. hazards C. faults D. shortcomings
