How time flies! It’s almost three years _______ we met last time.
#57893
A
when
B
before
C
while
D
since
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—It’s too late. I have to go now. —Oh, it’s raining outside. Don’t leave it stops.
#55680
A
while
B
if
C
until
D
after
--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
