Carbon dioxide ___ from burning fuels is the most common of the so-called greenhouse gases.
#4678
A
producing
B
having been produced
C
to be produced
D
produced
推荐题目
So tired __________ after walking such a long way that I ___________ stand.
#4606
A
was I; could hardly
B
did I ; could hardly
C
was I; couldn’t hardly
D
I was; could hardly
____________ with many teenagers, Zhou Dongyu who comes from the new movie Under the Hawthorn Tree prefers pop music to classical music.
#4614
A
In particular
B
In common
C
In practice
D
In general
Don’t forget to bring a dictionary next class. ___. I didn’t catch what you said.
#4677
A
Never mind
B
I beg your pardon
C
That’s right
D
I’m not sure
–The floor is dirty. Can anyone clean it? –_____I do it all the time.
#4875
A
Don’t mention it.
B
Why you?
C
Not sure
D
Not me again.
He is really considering ______ himself to ______ these children of the poor mountain village.
#4822
A
to devote; educating
B
devoting; educating
C
devoting; educate
D
to devote; educate
