---Look, our headmaster is over there, playing basketball with some students of our class. --- Oh, he must be ________ to his students.
Perce Blackborow and his companions stayed on Elephant Island for six months before rescue came, so they ________ a lot of difficulties.
Written in a hurry, __________________ .
Is it the country ________ you studied ________ you are going to visit next week?
Why do you always drive to work _______ you could easily take the bus?
Most people are in favor of the _______ against smoking in public places.