—Why do you look so worried? —My Macbook Pro broke down and my paper _____unfini
题型：不详难度：来源：
—Why do you look so worried?
—My Macbook Pro broke down and my paper _____unfinished since.| A．was left | B．has left | C．left | D．has been left |
|
答案
| D |
解析
| 考查时态题。我的苹果笔记本坏了，我的论文还没写完呢。根据since可知，本句应用现在完成时。 |
举一反三
—That must have been a terrifying experience.
—Yeah. I _____ in the damaged car, unable to move.| A．was stuck | B．have been stuck | C．am stuck | D．had been stuck |
|
---Do you know the timetable of the school bus?
---Sure, the first trip________ at 6:30 a.m. and usually continues until 4 p.m. on weekdays. | A．will start | B．starts | C．is starting | D．started |
|
The past two years ________ a sharp rise in oil price, which adds to the burden of auto transportation industry. | A．witnessed | B．has witnessed | C．is witnessing | D．witnesses |
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Nowadays it is obvious that the Internet _______ our life rapidly.| A．would change | B．changed | C．had changed | D．is changing |
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