Mr and Mrs Zimmer are in a van(大篷货车)with their three children.They are drivingfrom California to Oregon.It is late at night.Mr Zimmer is on the front seat.He is driving the van.Mrs Zimmer and the children are on the back seats.They are sleeping.
Mr Ziminer is hungry.He stops at a fast-food restaurant.He goes into the restaurant.At this time Mrs Zimmer wakes up.She is hungry,too.She goes into the restaurant.But when Mrs Ziminer walks into the restaurant,Mr Zimmer walks out.He doesn't see his wife.
Mr Zimmer drives away in the van.He drives all night.In the morning,Mr Zimmer and the children are in Oregon.They get out of the van.“Where's your mum?”Mr Zimmer asks the children.“We don't know,”the children say.
Where is Mrs Zimmer?She is in the restaurant in California!