单项选择题A．Because the dinner will be over in an hour.B．Because he is iii and waiting for an operation.C．Because he is attending his parents.D．Because he has an urgent patient to deal with.

填空题A

填空题D

填空题53，H

单项选择题A．She types well.B．She is English.C．She is good at languages.D．She used to be a school teacher.