The old couple have two sons and both of them are (邮递员).
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.
It is raining (大)outside. I have to stay at home.