摘要： A. one B. mere C. only D. single 答案: D 指导:singleday强调连一天都--.
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-----Do you usually take a vacation?
-----Yes, I like to go away______.
A. one time this year B. once a year
C. one time a year D. one time in a year
查看习题详情和答案>>She did it ________ it took me.
A. one third the time B. the one-third time
C. one-third a time D. a one-third time
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David helps his mother with the housework every Saturday for about____.
A. one and half hours B. a half and an hour
C. an hour and half D. one and a half hours
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