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
.Every year in April, the Water Festival ______ among the Dai people in Xishuangbanna.
#4782
A
celebrates
B
is celebrating
C
is celebrated
D
is being celebrated
Our football team’s ____ has been excellent during the whole year.
#4826
A
demand
B
master
C
history
D
performance
_____________ is a fact that English is accepted as an international language.
#59083
A
There
B
This
C
That
D
It
He woke up and found himself ______ on the sofa, with a blanket over him.
#4676
A
laid
B
lying
C
to lie
D
lain