Are you familiar with the music — Yes. There was a time _____ this kindof music was quite popular.

1—Do you have a knife—Yes, I do. I have a big .

__ the Internet is bridging the distance between people, it may also be breaking some families or will cause other family problems.

After the earthquake, the first thing the local government did was to provide ____________ for the homeless families.

I met Li Lei_____ hospital last Sunday. He was ill_____ hospital then.