He had an accident and ______ to hospital.
A. was brought
B. was taken
C. had been taken
D. had to take
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The reason your TV doesn't work is because you forgot to plug it ______.
A. into
B. on
C. out
D. in
与军团病的多次暴发有联系的因素是
A. 空气污染
B. 空调系统的冷却塔水污染
C. 自来水管道污染
D. 淋浴器污染
E. 水源污染
Samantha is just as rich ______ David.
A. to
B. that
C. as
D. than
If you ______ such a long time to get dressed, we'd have been there by now.
A. weren't taking
B. wouldn't have taken
C. haven't taken
D. wouldn't take