—Oh, dear! Your room is untidy.
—Sorry, mom. I’ll __________.
| A．set it up | B．clean it up |
| C．put it up | D．look it up |
—Oh, dear! Your room is untidy.
—Sorry, mom. I’ll __________.
| A．set it up | B．clean it up |
| C．put it up | D．look it up |
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