问题
选择题
While playing ping-pong, our eyes see the ball coming, judge its speed and then hit it back ________ it should go.
A．when
B．why
C．what
D．where
答案
答案：D
where引导地点状语从句，修饰动词hit
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While playing ping-pong, our eyes see the ball coming, judge its speed and then hit it back ________ it should go.
A．when
B．why
C．what
D．where
答案：D
where引导地点状语从句，修饰动词hit