题文
It is about 9∶30 pm. ________he comes back home after three evening classes.
| A．when |
| B．before |
| C．that |
| D．since |
推荐试卷
It is about 9∶30 pm. ________he comes back home after three evening classes.
| A．when |
| B．before |
| C．that |
| D．since |
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