--I think it is necessary for everybody to take action _______ the Earth.--I agree. Turn off the lights before we leave the classroom.
Michael likes playing piano but he doesn’t like playing basketball.
Where is your bedroom? It’s the second floor.
He is sitting __________ the classroom.
—Is there a restaurant near here? —Yes, go along this road and turn left at the first crossing. You can see it on your left. You can’t it.
--- ---The kitchen fan doesn’t work.