----I am really surprised that a policeman in his car __________ have hit several common pedestrians, killing one and injuring three.----Yes, If one __________ ask for trouble, what can we say?

–________ you turn down your radio, please? –Yes, I can.

---Can people drive after drinking a glass of beer?---No. According to the law they _________.

As we’re students, we __________ obey the school rules.

--- Linda       late for school. --- But she arrives on time at present.