If you have a sore throat, you should drink hot tea _____ honey.[ ]

Have you found the information about famous people____ you can use for the report?—Not yet. I’ll search some on the Internet.

We still don’t know what _________ while we were away from home.

When __________ the Kings __________ to China?

A strong earthquake hit Ya’an, Sichuan on April 20, and many people lost their lives.