I ________ when the UFO landed.
Do you mind telling us something about this area?— Not at all. ________ of the land in this area _________ covered with trees and grass.
____ Children’s Hospital is far from here. You’d better go there by ____ taxi.
I don’t agree with you two. I prefer______ a new car rather than______ it.
Our teachers are very friendly _______ us.[ ]