Wow! You look different! You wear glasses.— Yes, I did. But now I am wearing contact lenses(隐形眼镜).

All the Americans are preparing ________ Christmas.[ ]

.________ on the radio or see on TV is only a small part of all the wonderful music that is waiting for us.

The library is next our classroom[ ]

I’ve just been to my first language class.— Oh really? ________ . Which language are you studying?