. After he graduated from college, he _______ his father’s business.
--- I have got a headache.---No wonder you _________ in front of that computer too long.
Water can absorb and give off a lot of heat without big changes in temperature, thus creating a ______ environment.
--- If you like, I can do some shopping for you.--- That’s a very kind ________.
Of all the books on the desk, ______ is of any use for study.
---John, there is _____ Mr.Wilson on the phone for you.---I’m in _____bath.