问题

The elderly people still prefer to live in the countryside, ________ city life is considered as convenient and fast

A:while
B:unless
C:though
D:as

正确答案是：

同类题型

Once he has _______, nothing can change his mind.

下列语言表达得体的一项是

Five minutes later, we ________ by a traffic policeman who demanded to see my license.

Your suggestion sounds very good, but thereare many ___ difficulties we have to face.

your heart, I know you didn’t break thevase ________ Don’t cry!