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
The Great Wall travel _______deep valleys, ________deserts and ________mountains
It is not_______ for me to return all thebooks to the library now because I still need them
With traffic becoming heavier and heavier, you in a traffic jam anywhere in the world.
.We couldn’t see anything below the bad weather!
The building was named Ford Hall________a man named James Ford