Do you want some rice?
A:Yes, please.
B:No, please.
猜谜语。
此物老家在非洲,力大气壮赛过牛,张口大嘴一声吼,吓得百兽都发抖。 (猜一动物)
——____
将两枚铁钉分别放在空气中和潮湿的纸巾上,则生锈较快的是放在____的铁钉。
— Please don't make noise. — I'll be as quiet as a mouse.