Some of the apples are bad, but I believe the rest sweet.

__ Sally , our monitor , was late for class this morning .__ _________ As far as I know , she never came late for class.

Where is my new football shoes, Mum? I need them to play football with my friends.　　—I haven’t seen them. You ____ somewhere in your room.

We must wear __________shoes for gym class today.

下列关于文化常识的表述，错误的一项是（ ）