问题

It is thought that one billion people in the world,_____ is half the world’s workers, earn their living by farming.

A:if
B:that
C:which
D:what

正确答案是：

标签： billion , thought , world

同类题型

Is that your book _____ the lost and found case?[ ]

When is April Fool’s Day?

The topic . Let’s change it .

Since you are free now, why not_____? [ ]

Do you know Cindy was famous at_______ very young age.— Yes. But she died young. She died at_______ age of 33.