We live day by day, but in the great things, the time of days and weeks _______
题型：不详难度：来源：
We live day by day, but in the great things, the time of days and weeks __________ so small that a day is unimportant. | A．is | B．are | | C．has been | D．have been |
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答案
| . A。 |
解析
| 句子主语为the time，故用谓语要用单数; 再根据句子前后的时态live和is，可知此处宜用一般现在时，不用现在完成时，故选A。 |
举一反三
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 have got a headache.
—No wonder. You __________ in front of that computer too long. | A．work | B．are working | | C．have been working | D．worked |
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—Ouch! You hurt me!
—I am sorry. But I __________ any harm. I __________ to drive a rat out.| A．didn’t mean; tried | B．don’t mean; am trying | | C．haven’t meant; tried | D．didn’t mean; was trying |
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All the girls swam in the lake except two, who _____ halfway. | A．gave off | B．gave up | C．gave away | D．gave out |
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— Have we got any gas in the car?
— It ______. I’m afaid we can’t go much farther | A．has ran out | B．is running out | | C．has been used up | D．has used up |
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