_____ of the students in our class _____ girls.
[     ]
A. Three fives; is
B. Three fifths; is
C. Three fifth; are
D. Three fifths; are
Three _____ of the old bridge has fallen down. It's _____.
[     ]
A. fifth; safe
B. fifths; safe
C. fifth; dangerous
D. fifths; dangerous
_____ of the surface (表面) of the earth is covered with water.
[     ]
A. First third
B. Two thirds
C. One three
—There are sixty students in our class. And _____ of us are boys.
—Wow! You have forty girls!
[     ]
A. one fourth
B. one third
C. two fifths
D. two third
_____ of the students in our class _____ money to the disabled people these days.
[     ]

A. Two third; have raised
B. Two thirds; has raised
C. Two three; have raised
D. Two thirds; have raised

30% students like the watch. What does "30%" mean??
[     ]
A. None of the students.
B. All the students.?
C. Some of the students.
D. Most of the students.
One ______ of the students in our class ______ schoolgirls.
[     ]
A. third, is
B. quarter, are
C. fifths, are
D. sixth, is
I think ______ of the materials I listened to at the beginning of the exam ______ easy.
[     ]
A. three fourths, is
B. third four, are
C. three fourths, are
D. three fourth, are
I have done ______ of the homework. I'll finish it in a few minutes.
[     ]
A. two-three
B. second-three
C. two-third
D. two-thirds
More than _______ children took part in activities last month.
[     ]
A. two thirds
B. thirds second
C. second three
D. two third
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