While playing ping-pong, our eyes see the ball coming, judge its speed and then hit it back ________ it should go.
#72176
A
when
B
why
C
what
D
where
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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
—How do you think I should receive the reporter? —____ you feel about him, try to be polite.
#72034
A
How
B
What
C
Whatever
D
However
It is no longer a problem _______ the poor children in this district can go to school.
#73292
A
that
B
whether
C
so
D
because
One of the most interesting places in Beijing____the foreigners want to visit is the Great Wall.
#74699
A
which
B
that
C
what
D
where
—Do you know if he________ to play football with us? —I think he will come if he _________ free tomorrow.
#41036
A
comes; is
B
comes; will be
C
will come; is
D
will come; will be