My sports shoes are _____ out.—How long have you_____them?

There are classrooms on the ground floor. One of them is ours.

Liu Ying is good at singing. She sings ______the famous singer, CoCo.

I once lived in a house _______ roof has fallen in.

You can call me_____0512-5123467 or email me_____lily@126.com. [ ]