题目内容
_________, the car could not be started.
| A.Having lost the key | B.He lost the key | C.The key was missed | D.The key lost |
D
考查独立主格。the car could not be started.是完整的句子,前后没有连词,排除B和C,而选A项 Having lost the key,后面的主语不能是the car,所以选D ,The key lost为独立主格结构。
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