问题

The government officials met the workers and engineers working on the stadium, most _______ were migrant workers.[ ]

A: of which
B: of who
C: of whom
D: of them

正确答案是：

同类题型

The importance of saving gas________be stressed too much.Automobiles use up some 70 billion gallons of gas a year.[ ]

Nowadays, more and more people choose to drink alcohol to escape the _____ caused by heavy work.

Look ! _________ students are doing morning exerciseson the playground .

There are many coats， she’d like to choose the ____one to save money for a book.

I’m tired now. Let’s stop ________.