题文
-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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