The room was dark, _______ I turned on the lights.
#58313
A
and
B
or
C
but
D
so
推荐题目
The city park will be cleaner ___________ people stop dropping litter here and there.
#56719
A
while
B
if
C
unless
D
before
—I have no idea ____________ tell her the bad news. —I think tomorrow is the best time.
#55971
A
how to
B
when to
C
how
D
when
---- Hurry up ! The bus is coming . ----- Wait a minute. Don’t cross the street_________ the traffic lights are green.
#55728
A
since
B
after
C
while
D
until
__ we are young, we can still do something to help protect the environment.
#58217
A
If
B
Since
C
Because
D
Though
_____ he was tired , ____ he didn’t stop working .
#57240
A
Although ; but
B
Though; /
C
But ; /
D
Though ; but