问题

Beijing is ranked first in terms of traffic jams and expenses for culture ________ Guangzhou is more open to peasant workers than Beijing and Shanghai

A:when
B:since
C:while
D:because

正确答案是：

同类题型

he program, they have to stay there for anothertwo weeks

You’d better ________ some money for special use.

_________________— I’m fine, thanks.

Rather than _______in the city, the old man would prefer______in the countryside

下列句子中加线的成语，运用不正确的一句是（）