问题
There are more and more foreigners coming to China. So I think English is _____useful than before.
A:learn
B:to learn
C:learning
D:learnt;
B:to learn
C:learning
D:learnt;
正确答案是：
同类题型
The equipment for all of the disabled peopleought to be _________ easy reach in public.
Everything_______ well, and everyone ______ a good time.
I’m_______tired_________I want to sleep now.
Your article is________better than mine．
Everybody knows about it! No one knows _________ prevented the rumor from spreading.