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
答案:B
考查短语。be to blame for 应受到责备。句意:全球变暖变得越来越严重了,人类应对此负责。
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
答案:B
考查短语。be to blame for 应受到责备。句意:全球变暖变得越来越严重了,人类应对此负责。