—Which is the biggest number of the four?

—_________.

A．One-third              B．Two-thirds

C．A half                  D．A quarter

Tomorrow is the boy’s ________ birthday.

A．seventh               B．seven            C．seventeen

The teacher said that__ of the boys would take part in the talent show.

A．three five              B．three fives

C．thirds fifths           D．three fifths

—How often do you exercise?

—­­­­­­_________.

A．Two                 B．Twice           C．Second

About_______of the students in our class were born in the____.

A．two-thirds, 1990s

B．two-thirds, 1990

C．two-third, 1990s

Last year, I visited a chemical factory in Baise, there are about _____ workers in it.

A．six thousands                B．six thousand

C．six thousands of             D．six thousand of

_______ people lost their homes in Japan’s earthquake.

A．Two thousands               B．Thousand

C．Thousands of                D．Thousand of

Tom has just finished writing a _________ article.

A．nine-hundred-words          B．nine-hundreds-word

C．nine-hundred-word          D．nine-hundreds-words

Every year, _____ people go to visit their factory.

A．a thousand of              B．thousands

C．thousand of               D．thousands of

Cici enjoys dancing. It's one of her_______ .

A．prize           B．prizes

C．hobby            D．hobbies