You can go out, you promise to be back before 10 o’clock.
#31787
A
unless
B
as long as
C
because
D
since
推荐题目
He didn't expect that his parents could manage to know ________ is going on in his college life on the Internet.
#30084
A
how
B
which
C
what
D
that
He’ll never forget the years _______ he studied in Oxford University.
#33993
A
where
B
on which
C
when
D
which
_________you have a rich knowledge of Chinese history, try acting as a guide for these foreign visitors.
#31038
A
Unless
B
Though
C
Now that
D
Ever since
The heavy rain is so troublesome. _________ it would stop!
#33874
A
Only if
B
Even if
C
Ever since
D
If only