减少了五分之三，下面的英语表述哪个正确？ A: increased by three fifths B: decreased by three fifths C: increased to three fifths D: decreased to three fifths

____of the students in Class Three____girls. A: Threefifths… is B: Threefifths… are C: Threefifth… is D: Threefifthes… are

30.About__________of the workers in that steelworks are young people. A: third fifths B: three fives C: three fifths D: three fifth

_____ of the students are going to visit the factory next week. A: Three fifth B: Third fifths C: Three fives D: Three fifths

About three—fifths of the work ________done yesterday．

According to a recent survey, _____ three fifths of working mothers in China don’t want to have a second child.

About______ said that they enjoyed those novels very much. A: four fifths students B: four fifths of students C: four fifths of the students

________ of the magazines ________ borrowed from the reading room. A: Two­-five; is B: Two-­fifth; is C: Two-­ fifths; are D: Two-­fifths; is

______ of the land in that area ______ covered with trees and grass. A: Two fifths; is B: Two fifth; are C: Two fifth; is D: Two fifths; are

--What does the fresh juice contain? --____of the juice _____orange. It’s very pure. A: One fifth, are B: Four fifths;is C: One-fifth, is D: Four fifths, are