选择回答以下问题1：how can i get to changchu?（ ）2：which floor?（ ）3：ca

选择回答以下问题
1：how can i get to changchu?（ ）
2：which floor?（ ）
3：can l go on foot?（ ）
4：how many traffic lights are there in every country?（ ）
5：where is your home?（ ）
请选择：
a：sure,if you like.
b：lt’s near the library.
c：the second floor.
d：there are three.
e：you can go by plane.