How many partners are there in this project？A．Five.B．Six.C．Seven.D．Eight.

Family1.How many are there in your family？

How many pupils are there in your class？（英译中)

How many students are there in your class？（英译中)

How many men college graduates are there in the USA？A．About 3 million.B．About 7.3 million.

There are 365 days in a year. How many hours are there in a day？

How many players are there in a volleyball team inthe Olympics？A．2.B．6.C．9.D．16.