What do you have to do when you visit a foreign country You must______when you visit a foreign country.

A．She is going home.
B．She is typing the letters.
C．She is waiting the paper.
D．She is reading the letters.

A．She is afraid of living by herself and she is short of money.
B．She is afraid of seeing a doctor.
C．She needs to rent a house.
D．She doesn’t know the reason.