题文
—Please________the tap if you don’t use water.
—OK.It’s a way of saving energy.
| A.open |
| B.close |
| C.turn on |
| D.turn off |
—Please________the tap if you don’t use water.
—OK.It’s a way of saving energy.
| A.open |
| B.close |
| C.turn on |
| D.turn off |
试题篮
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