— 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
Tom didn’t give up studying ________________ he failed many times.
#57075
A
but
B
even though
C
because
D
if
People along the river didn’t allow them to ______ a factory so as not to pollute the water.
#55767
A
set up
B
give up
C
take up
D
look up
-- Would you like to go to the concert with me?-- I’d love to, _________ I’m afraid I have no time.
#55167
A
so
B
or
C
and
D
but
