（1）Where will they go for vacation？
A.China.
B.London
C.Heathrow.
（2）Why should they check the oniline rules according to the speaker？
A.To make sure the size of the bag.
B.To make sure the kind of the bag.
C.To make sure the number of the bags.
（3）What advice does the speaker give？
A.Take everything you need for the trip.
B.Try to take small-sized or necessary things.
C.It is necessary to take different kinds of shoes.
（4）Who might be the speaker？
A.A teacher.
B.A reporter.
C.A guide.