---how many students are there in the classroom? ---_____Idon’t know where they have gone.

There         snow and ice in Beijing this year.

 --What __________ the number of students in your school? --More than 2,000. And a number of them __________ listening to English songs.

Deng Yaping is a famous ping-pong player.

       your left, you can see a bridge        the river.