—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.
#57218
A
until
B
when
C
though
D
unless
推荐题目
— They speak perfect English. How long have they learnt it?— ______ they were seven years old.
#56728
A
Since
B
When
C
After
D
Until
Tom didn’t give up studying ________________ he failed many times.
#57075
A
but
B
even though
C
because
D
if
Have sports training every day, ______you won’t be healthy in the future.
#55331
A
because
B
or
C
unless
D
since