单项选择题A.Their billing system has been efficient. B.Their old billing system is outdated.C.He’s unimpressed with the new billing system.
单项选择题A.To buy a newspaper. B.To find a chemist. C.To post a letter.
单项选择题--- So, do you know where you’d like to go--- Actually, I’ve heard that it’s very expensive and it’s cold all the time.
单项选择题_____ I’m getting married!
单项选择题________ really. I like both public transport and driving.