问题

In developed countries, farm workers_________ only a small section of the population.

A:explained
B:had meant
C:means
D:keep up

正确答案是：

同类题型

His wife looks ___ than he is.

His glasses,____he could see nothing, fell on the ground and broke.[ ]

Mrs Green, do you think I can get an A in the final exam if I start working hard now—Of course.________

The police ____________ the bushes to see if the lost child was there.

__________ many times, he finally understood it.