We should go out and stretch our legs. We ____ all day. [ ]A. had sat

题型：同步题难度：来源：

We should go out and stretch our legs. We ____ all day.       [     ]
A. had sat
B. have been sitting
C. have sat
D. was sitting

答案

举一反三

-Hi,Tracy,you look tired.
-I am tired.I  ____ the living room all day. [     ]
A. painted
B. had painted
C. have been painting
D. have painted

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-I"m sure Andrew will win the first prize in the final.
-I think so. He____for it for months. [ ]

A. is preparing
B. was preparing
C. had been preparing
D. has been preparing

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-I have got a headache.
-No wonder. You ____ in front of the computer too long.    [     ]
A. work
B. are working
C. have been working
D. worked

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Cathy is taking notes of the grammatical rules in class at Sunshine School,where she ____ English
for a year.  [     ]
A. studies
B. studied
C. is studying
D. has been studying

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I won"t tell the student the answer to the math problem until he____  on it for more than an hour.   [      ]
A. has been working
B. will have worked
C. will have been working
D. had worked

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