---_____do you visit your uncle?---once a week .
#56274
A
How long
B
How many
C
How much
D
How often
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— 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
---Will you go to tomorrow’s party? ---No. __________ I am invited, I will not go there, either.
#57224
A
If
B
Unless
C
Because
D
Even though