...? 第九课 今天星期几? Let's Chant! 唱一唱! What day is it today? Sunday.It's Sunday. 今天星期几? 星期日,今天星期日. We skate on Sunday. 星期日我们去溜冰. What day is it today? 今天星期几? Wednesday. It's Wednesday. We play on Wednesday. 星期三. 今天星期三....