—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
