----I am sorry to have ____ too much of your time.
----That's OK, and I am glad to help you.
| A．taken up | B．taken on | C．taken off | D．taken in |
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----I am sorry to have ____ too much of your time.
----That's OK, and I am glad to help you.
| A．taken up | B．taken on | C．taken off | D．taken in |
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