eople have been ill with a strange disease these days,____we’d never heard of before.

With everything needed________，the host declared the start of their wedding.

I’m interested in a blue dress. Do you have any _______? [ ]

The attempt and insistence on purchasing the Diaoyu Islands by Japan will ______ harm China-Japan ties

the Internet is of great help,I don’t think it’s a good idea to spend too much time on it.