There is no light in the room. They must have gone to the lecture.__________?
#102690
A
didn’t they
B
haven’t they
C
don’t they
D
mustn’t they
推荐题目
Great changes have taken place in China since the People’s Republic of China in 1949．
#102001
A
was found
B
founded
C
was founded
D
found
— You look tired.— Yes. I ___ non-stop until 8 o’clock this morning.
#102703
A
had worked
B
work
C
have worked
D
was working
The last thirty years _________ the quick development in almost every field in China.
#103161
A
saw
B
had seen
C
have seen
D
would see
Professor Li, who I ____ abroad, still teaches in Peking University.
#104877
A
think went
B
think to have gone
C
thought went
D
thought had gone
—Ouch!You hurt me!—I am sorry.But I___any harm.I___to drive a rat out.
#104062
A
didn’t mean;tried
B
don’t mean;am trying
C
haven’t meant;tried
D
didn’t mean;was trying