--I’m thirsty now. Could I have hot water? --OK. Here you are.
We felt ________ when Liu Xiang won the first prize again in the race.
It’s not __ good idea to drive for four hours without _ break.
— Do you know Lucy’s grandma?— Of course. She is a kind woman, but she has for about a month since she in the accident.
When people want to relax themselves, they prefer TV or listen to music rather than newspapers.
—If a="4," b="5," what’s the answer to the question “ a + 2ab +1 =?” — .