单项选择题
W: We are going to visit the Summer Palace tomorrow. M: Are you May I join you.’
A．He wants to go with them. B．He will invite his friends. C．He is not interested in going.
A．Her boyfriend talks about marriage. B．Her boyfriend’s parents don’t like her. C．Her boyfriend is not very intelligent.
A．how a child-safety seat can protect a child B．why the back seat is the safest place in a car C．how a child can be kept safe while riding m a car D．what causes passengers the most injuries