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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Can you make sure ______the gold ring?
#72721
A
where Alice had put
B
where had Alice put
C
where Alice has put
D
where has Alice put
He has _____ that sometimes he can’t see an inch ahead.
#68060
A
so poor eyesight
B
such poor eyesight
C
such a poor eyesight
D
so poor an eyesight