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
推荐题目
--- Do you really mean to prepare our lecture two months in advance? --- Sure. Anyway,  ___________
#4808
A
a good beginning is half done.
B
a bird in the hand is worth two in the bush.
C
a fall into a pit, a gain in your wit.
D
the early bird catches the worm.
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