—Tom, you look tired this morning. What’s wrong?—I was so busy that I didn’t go to bed _____ 12 o’clock last night.
#58255
A
until
B
when
C
though
D
unless
推荐题目
Good to see you again It's almost three years_____ we met last time
#55585
A
until
B
before
C
while
D
since
We can’t go to the mountain ________ the bad weather.
#56168
A
because
B
because of
C
although
D
because that
—Tom isn’t feeling very well. —He seems to have a cold the weather changes suddenly.
#55789
A
before
B
so
C
because
D
if
_________ I slept well last night, I still felt very tired this morning.
#55735
A
Until
B
Because
C
Although
D
Whether