We arrived home safe and sound.
Giải thích:
sound (a): tốt; khỏe mạnh healthy (a): khỏe mạnh
unsound (a): không khỏe, yếu không có từ “insound”, “dissound”
=> sound >< unsound
Tạm dịch: Chúng tôi về nhà an toàn.
Đáp án: B
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More people are now employed in service industries than in manufacturing.
The government is being widely criticized in the media for falling to limit air pollution.
The council has spent an enormous amount of money on this project.
We have to employ extra staff to deal with the increased workload.
If we use robots instead of humans, many people may be out of work.
After the marriage, Ruth decided to settle permanently in New York.
The palace was badly damaged by fire, but was eventually restored to its original splendor.
He found the course difficult so he had to spend most of his time on study.
That is a well-behaved boy whose behaviour has nothing to complain about.
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He had never experienced such discourtesy towards the president as it occurred at the annual meeting in May.