问题
The global warming is more and more serious, for which human beings ______．
A:are blaming
B:are to blame
C:are going to blame
D:are to be blamed
B:are to blame
C:are going to blame
D:are to be blamed
正确答案是：
同类题型
_________ name is Tony. ________ name is Amy. _______ name is Ben.
Not only Susan but also Sandy _________ abroad for traveling. They will return next Sunday.
I go to Park School Oxford, UK.[ ]
Mary __________ to school on foot every morning.
_______ trees have been planted near here, so the air is very fresh.