Tu Aoao is a Chinese _______. She won the Nobel prize in medicine.

I’m doing a survey. Could youtell me ______—Sure. I usually go to work at 7:00 am.

______Li Ping was practicing the piano; Mr. Zhang came into the room.

What do you think of the movie ?–It’s quite different from________I saw last month.

Christmas is a holiday usually celebrated on Dec25 ________ the birth of Jesus Christ