【2014年湖北省荆州市中考】—Can you catch what I said?—Sorry, I can _________ understand it.
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.
Our Chinese teacher, Miss Liu, is pretty strict _______us.