— I hear the famous singer Xu Song may come to Ningbo next month.— Really? _______ he comes, my younger sister will be very excited.
#58400
A
If
B
Until
C
Unless
D
Before
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____ it was late, the students were still studying in the classroom.
#56176
A
Although
B
But
C
As long as
D
Because of
----_______is your sister? ---She is thirteen years old.
#56258
A
How many
B
How old
C
How much
D
How long