If you want to play the guitar well, you must do a lot of practice.A.time B.exercise C.homework
He lives on ________ floor in that building.
You are not supposed to get off the bus ________ it stops.
My teacher encouraged me ________ more confident.
The taxis in this city ________ in the same color. You can see them every day.
I don’t know her. She is ________ my classmate nor my friend.