【2014年内蒙古包头市、乌兰察布市中考】If the company fails to make enough money, it will have to .
It ______ Mr. Smith half an hour _____ get to his office.
Mary, ______ girl, wants to be a doctor.
Our teacher always helps us ______ our English.
--- _____ do you ______the book? --- It’s very interesting.
Trees are animals’ homes, so we shouldn’t ________.