根据答句写问句。

1. A:                                                              ?

    B: Sarah has a fever.

2. A:                                                              ?

    B: John went fishing last Saturday.

3.                                                                 ?

    B: We are going to watch TV at 7:30 tomorrow evening.

4. A:                                                             ?                                                   

    B: I wear size 36.

5.                                                                 ?

    B: No, my father went to Xinjiang yesterday.

中间站利用到发线停留车辆时，经车站值班员准许外，还须（）准许。