1. Yao Ming is writing a letter.
_________is Yao Ming _________?
2. Yao Ming's stamp is one yuan.
_______ _______ is Yao Ming's stamp?
3. Yao Ming needs eight postcards.
________ ________ postcards does Yao Ming need?
4. Yao Ming is sending the letter to America.
_________ is Yao Ming sending the letter?l. What; doing 2. How much 3. How many4. Where