问题
It is thought that one billion people I the world, _is half the word’s workers, earn their living by farming.
A:if
B:that
C:which
D:what
B:that
C:which
D:what
正确答案是：
同类题型
What do you think of your new job, Jim?— It’s_____. I do exactly the same thing every day.
If you want to get good grades, ____________, you should listen to the teacher _________ in class.
Do you want to pay for the dress _____ cheque or _____ cash? [ ]
In America when you’re given a present, you can open it . You don’t have to wait.