题目内容
He ____ ride a bike when he was six years old.
[ ]
|
A .can |
B .could |
C .able to |
D .was able to |
答案:D
解析:
解析:
练习册系列答案
相关题目
题目内容
He ____ ride a bike when he was six years old.
[ ]
|
A .can |
B .could |
C .able to |
D .was able to |