— I hear the famous singer Xu Song may come to Weifang next month.— Really? _______ he comes, my younger sister will be very excited.
#57609
A
If
B
Until
C
Unless
D
Before
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____ it snowed heavily yesterday, nobody in our class missed the lesson.
#58529
A
Though
B
Because
C
Unless
D
Since
______ Kathy was watching TV, her mother asked her to go shopping.
#56706
A
Before
B
Until
C
While
D
After
