Our well- trained staff are always courteous to customers.
Giải thích: courteous (a): trang nhã, lịch thiệp
helpful (a): hữu ích friendly (a): thân thiện
rude (a): thô lỗ polite (a): lịch sự
=> courteous >< rude
Tạm dịch: Đội ngũ nhân viên được đào tạo của chúng tôi luôn lịch sự với khách hàng.
Đáp án: C
The only means of access to the station is through a dark subway.
If we use robots instead of humans, many people may be out of work.
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.
The government is being widely criticized in the media for falling to limit air pollution.
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.