题目内容
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 |
D
where引导地点状语从句,修饰动词hit
练习册系列答案
相关题目
题目内容
| A.when | B.why | C.what | D.where |