It is a shopping mall ______has been built in ______ used to be a school.

an, _____ private car is ______popular means of transportation

Will you go to the party tomorrow， Xiao Hai—No, ____ I was invited to.

is the zoo from the bus stop– It’s about 10 minutes’ walk .

Class regulations require ______ is the last to leave the classroom ______ off all the lights.