问题

Half of the workers here under 30 .

A:is;years
B:are;year old
C:is;years old
D:are;years of age

正确答案是：

同类题型

learn to live in the present, ________ think somuch about the future or the past

She was noticed ______ the shop.

______is the street crowded with so many people—Because they are waiting to watch the boat races.

My sisterregretted the movie directed byZhang Yimou

he distance was too far and the timewas short, we decided to fly there instead of going there by train.