The news has spread all over the country ____ the spaceship succeeded in returning to the earth.
#68158
A
which
B
that
C
whether
D
what
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As long as the laws of nature ______, there will be tornadoes.
#68427
A
exist
B
are existing
C
will exist
D
existed
Can you make sure _____________ the gold ring? 
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A
where Alice had put
B
where had Alice put
C
where Alice has put
D
where has Alice put
He never speaks to others until ______.
#67931
A
he speaks
B
spoken to
C
he is spoken
D
he speaks to