There are many volunteers _________ are helping the children in Sichuan.

It’s ________pleasure for me to be invited to play the piano at the concert.

I’m interested ______ running. I can run a kilometer in three minutes. [ ]

Have you brought with you? We won’t have time to come back.—Don’t worry. All the things we need are here, in this big bag.

Look! Dave __________ on the phone.