题目内容

Mary has a lot of letters to write today. She __ all afternoon and she _ yet. (2005)

A. has been writing: hasn’t finished
B. has written; hasn't finished
C. writes; doesn't finish
D. wrote; didn't finish

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Father is busy writing postcards this morning and ____ ten so far. (2004)

A. wrote
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It's reported that by the end of last month the sale of the company ____ by 10%.(2003)

A. has risen
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A. hasn't found
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A. trained
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