--I hear Jack Chan will come to Laiwu next week. --Really? _______ he comes, my younger sister will be very happy,
#58506
A
If
B
Until
C
Unless
D
Before
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— What’s your new math teacher like?— Oh, he is very kind, ________ he looks serious.
#56022
A
though
B
because
C
if
D
and
