Question

【题目】________ the mobile phone when you are driving. It's dangerous.
A.Do answer
B.Don't answer
C.Doesn't answer
D.Mustn't answer

Answer 1

【答案】B
【解析】句意：当你在开车的时候不要接电话，很危险。A表强调，“一定要，务必”；B表命令，“不要”，构成祈使句；C的主语是第三人称单数，而本句的主语you省略掉了；D在使用的时候主语不可省略。故选B。