—Be careful! You might fall into the water.
—Thank you. I ______ I _______ so close to the pool.
| A．didn’t know; am standing | B．don’t know; am standing |
| C．didn’t know; was standing | D．didn’t know; would stand |
—Be careful! You might fall into the water.
—Thank you. I ______ I _______ so close to the pool.
| A．didn’t know; am standing | B．don’t know; am standing |
| C．didn’t know; was standing | D．didn’t know; would stand |
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