根据句意和汉语提示，用适当的短语补全句子。

1.Today our English teacher ________________(看上去很严肃).

2. Now my brother ________________(对……更感兴趣) playing basketball.

3. He is only a child. Of course he                (对……感到害怕) being alone.

4. Both my brother and sister are ______________(学校乒乓球队队员).

5. We were unable to ___________(入睡) last night because of the noise outside.

对电磁式电压互感器进行渗漏油密封性检查，实际状态为（），开展C类检修，停电检查、补油，根据需要进行密封处理或更换电压互感器。

A.表面有油迹，但未形成油滴

B.漏油速度每滴时间不快于5秒，且油位正常

C.漏油速度每滴时间不快于5秒，且油位低于下限

D.漏油速度每滴时间快于5秒