单项选择题

The purpose of installing electric eyes along the main roads is to make sure that all vehicles ______follow traffic rules.

[A] cautiously
[B] dutifully
[C] dubiously
[D] skillfully
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单项选择题
No ______person would spend so much money just on a meal.
[A] sensitive
[B] sensible
[C] sentimental
[D] sensational
单项选择题
The young couple ______the child to the care of their neighbour for evening schools.
[A] trusted
[B] entrusted
[C] distrusted
[D] mistrusted
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