题目内容
He ________ to swim when he was five.
|
A．can |
B．could |
C．can be able |
D．was able |
【答案】
D
【解析】略
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He ________ to swim when he was five.
| A．can | B．could | C．can be able | D．was able |
He ________ to swim when he was five.
| A．can | B．could | C．can be able | D．was able |