The young mother kept _______ the house with three children in it, because she wanted
to keep it _______.
| A．cleaning; clean | B．cleaning; cleaning |
| C．clean; clean | D．clean; cleaning |
The young mother kept _______ the house with three children in it, because she wanted
to keep it _______.
| A．cleaning; clean | B．cleaning; cleaning |
| C．clean; clean | D．clean; cleaning |
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