.—When did you ________ to do the work?
—Two months ago, we are through 80% of it at the moment.
| A． set off | B．set about | C．set up | D．set out |
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.—When did you ________ to do the work?
—Two months ago, we are through 80% of it at the moment.
| A． set off | B．set about | C．set up | D．set out |
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