问题
How about the pollution in the countryside?－Luckily, it’s not as serious as _______ in the big cities.
A:that
B:it
C:one
D:those
B:it
C:one
D:those
正确答案是：
同类题型
It’s time to say goodbye to my school. I’ll always remember the people ____have helped me.
Mr Smith was bornDecember, 1950. He worksa farm.[ ]
Please ___________ the TV set, I want to watch the sports news.
Do you know _________ the meeting?—Tomorrow morning.
No decision _________ about that matter yet. We are still considering it.