How many hijackers are involved in the news item？A．18.B．2.C．8.D．1.

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 suicide hijackers were Saudis？A．19.B．15.C．11.D．14.

How many major types of articles are mentioned in

How many possible causes of sleeplessness are men