— 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
I will take a holiday with my family _______ I finish all the exams.
#56373
A
so that
B
as
C
as soon as
D
while
______ the work is difficult, all the workers are keeping on working .
#58370
A
But
B
Although
C
And
D
So
-Excuse me. a hotel on Center Street? -No, there isn't.
#55491
A
Is there
B
There is
C
Are there
D
There are
