— Kitty, do you know ______?
— Sure, about forty minutes.
| A．when did their class meeting begin. |
| B．where their class meeting was held |
| C．how often their class meeting is held |
| D．how long their class meeting will last |
相关试题
—Must I return the hook tomorrow morning? —No, you _ .You can keep it longer.
| A．mustn't | B．can't | C．needn't | D．couldn't |
All of us find _ necessary to take exercise every day.
| A．this | B．that | C．them | D．it |
He has something wrong with his _ .He cannot see clearly.
| A．leg | B．eye | C．hand | D．arm |
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