(谁的) baseball is this?
It belongs to Tony.
Very few people can (发音)my name correctly.
I think it's (必要的)to prepare some food and water for our trip.
The manager asked his (秘书)to print the documents for him.
Tomorrow morning they are going to (采访)a great scientist.
Our monitor wants to have a (讨论)about the sports meeting with us.