国际奥林匹克委员会已经决定第31届奥运会于2016年在里约热内卢举办。这个组织的英文简写是_________.
- It's very hot in the room!-_______ the door open?
- Can you go to row a boat with us this afternoon? - I'm afraid not. I_______ look after my little sister because my mother is out.
In spring, we can often hear some birds_______ in our school.
——Why not go to see a film? ——That ____ a good idea! Let’s go.
We read 10 ,206 like this________.