题目内容
Fog ________ the train timetable.
| A.upset | B.upsetted |
| C.was upset | D.was upsetting |
A
A [句意:雾打乱了火车运行时刻表。尽管upset(vt.)是及物动词,但不可用被动式,因为the train timetable是承受者,故答案是A。]
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题目内容
| A.upset | B.upsetted |
| C.was upset | D.was upsetting |