How long do you think it will be _______ China sends another manned spaceship to the moon?
#30358
A
when
B
until
C
that
D
before
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He will spend six hours at his desk _______ he finishes his composition.
#79623
A
before
B
until
C
after
D
when
The young couple, who returned my lost wallet, left _______ I could ask for their names.
#29994
A
while
B
before
C
after
D
since
On arriving home, she was surprised to find that the kitchen was filled with _______ smelled liked tasty dishes.
#32049
A
which
B
it
C
that
D
what
—Do you know about the accident which happened in the center of the city? —Yes. But it was some time we realized the truth.
#30209
A
before
B
when
C
since
D
until
Friends are angels who lift us to our feet _______________ our wings have trouble remembering how to fly.
#31723
A
unless
B
because
C
though
D
when