The global warming is more and more serious, for which human beings ______．
#93649
A
are blaming
B
are to blame
C
are going to blame
D
are to be blamed
推荐题目
----He is fluent in English because he once stayed in London ． ---- Really ? How long _________ there ?
#93107
A
did he live
B
has he lived
C
had he lived
D
does he live
This is the first time I __________ to the capital to attend the celebration ceremony.
#92578
A
came
B
come
C
have come
D
had come
Not until __________ on TV __________ that the Chinese ship was rescued by the European Union Task Force.
#93852
A
did I turn; did I know
B
did I turn; I knew
C
I turned; did I know
D
I turned; I had known
She was grateful _____ George _____ all _____he had done.
#92112
A
to; for; that
B
to; for; what
C
for; to; that
D
for; to; what