--( ) did you start to play tennis?--I started to play tennis when I was seven.A.When B.How long C.What time D.How far选择,说明,

问题描述:

--( ) did you start to play tennis?
--I started to play tennis when I was seven.
A.When B.How long C.What time D.How far
选择,说明,

答案 :A
when 什么时候
how long 多久,多长时间
what time 什么时间,什么时候 (what time is it now?几点了。)
how far 多远(How far did you go?你走了多远?)

A

选A 回答how long是用具体多长时间,比如 7years 回答 What time 是具体时间 几点钟 比如2001年 How far 是问多远的意思..