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
If we use robots instead of humans, many people may be out of work.
The only means of access to the station is through a dark subway.
That is a well-behaved boy whose behaviour has nothing to complain about.
The council has spent an enormous amount of money on this project.
I think it’s impossible to abolish school examinations. They are necessary to evaluate
students’ progress.
Travel insurance is sometimes mistaken for temporary health insurance, but the two are actually different.
They are launching a campaign to promote awareness of environmental issues.
He had never experienced such discourtesy towards the president as it occurred at the annual meeting in May.
No one knew precisely what would happen to human being in space.
The government is being widely criticized in the media for falling to limit air pollution.
He is very absent – minded. He is likely to forget things or to think about something different from what he should be thinking about.