题目内容
The traffic accident wouldn’t have happened yesterday,but the driver _________ really careless.?
| A.had been | B.is |
| C.were | D.was? |
D?
由题干句可知,这里谈论的是过去(yesterday)发生的事情,所以应用一般过去时。这道题是真实和虚拟混用的范例。
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