摘要：1．-Why do you look so worried? -My computer broke down and my essay unfinished since. A．was left B．has left C．left D．has been left
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— Why do you look so worried?
—My computer broke down and my essay ______ unfinished since.
| A．had left | B．has left | C．has been left | D．was left |
— Why do you look so worried?
—My computer broke down and my essay ______ unfinished since.
A．had left B．has been left C．has left D．was left
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— Why do you look so worried?
—My computer broke down and my essay ______ unfinished since.
A．had left B．has left C．has been left D．was left
查看习题详情和答案>>