Danny __________ hard for long to realize his dream and now he is popular. A．wo
题型：不详难度：来源：
Danny __________ hard for long to realize his dream and now he is popular. | A．works | B．is working | | C．has worked | D．worked |
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答案
| .C。 |
解析
| 表示从过去一直待续到现在的一段时间，要用现在完成时。 |
举一反三
As the years passed, many occasions—birthdays, awards, graduations — __________ with Dad’s flowers. | A．are marked | B．were marked | | C．have marked | D．had marked |
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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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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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