天津市2013-2014学年高二寒假作业（2）英语 Word版含答案
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一、单项选择（共15小题，每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
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1.US president Barack Obama is expecting the economy to show some ______ of recovery.
A. signals B. signs C. symbols D. marks
21. 2.Mrs. Green always helps her mother even though going to work _________most of her day.
A. takes out B. takes down C. takes up D. takes off
3.The lady said she would buy a gift for her daughter with the _______.
A. 20 dollars remained B. remaining 20 dollars
C. remained 20 dollars D. 20 dollars to remain
