Lynn: Mum, let's go on a trip this Saturday, OK?
Mum: No. Your grandmother will come to our house.
Lynn: That's great！May we go to the airport?
Mum: Sure. We will take a bus to the airport.
Lynn: May we take a car? A car is fast.
Mum: But I can't drive a car.
Lynn: We can get my dad to drive.
Mum: OK!
Lynn: When will my grandmother arrive?
Mum: She will arrive at 2:00 in the morning on May the first.
