— Could we practice playing the guitar in the hall, Sir ? —No , ___________ you have the principal’s (校长) note.
#55372
A
if
B
unless
C
because
D
since
推荐题目
Many people believe we will face environmental disasters _________ we completely change the way we live.
#57124
A
but
B
though
C
unless
D
until
– I don’t like mutton beef.– I don’t like mutton, I like beef a lot.
#57496
A
and, but
B
and, and
C
or, but
D
or, and
－This dress was last year’s style.－I think it still looks perfect____ it has gone out this year.
#57955
A
so that
B
even though
C
as if
D
ever since
--- Look! Lots of people there. What’s wrong?--- An old lady was going across the road ________ a car hit her.
#57346
A
while
B
as
C
whether
D
when