题文
It is a common in the USA that you should make an appointment if you want to see a doctor.
| A．rule |
| B．sense |
| C．practice |
| D．habit |
推荐试卷
It is a common in the USA that you should make an appointment if you want to see a doctor.
| A．rule |
| B．sense |
| C．practice |
| D．habit |
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