—I have a nosebleed.---You should _________.A get an X- ray B see a dentist C put your head back D put a bandage on it.
There is _______ bridge in the old town.
Students need at least eight hours to sleep, or they are_______ in class.
He _______ be a history teacher.
Sometimes our hobbies can _______ schoolwork .
Last year he had an opportunity _______ in Oxford University, but he gave it up.