单项选择题
May I know your address? （）
A.Sure. Here you are. B.I have no idea. C.It‘s far from here. D.Sorry, I‘ve forgotten
单项选择题 Look, 25% off. The $2,500 camera is on sale today. （）
单项选择题 Will you go on a picnic with us tomorrow?（）
单项选择题 How long have you worked in London? （）
