About_________of the students in the class are girl students.
| A．three-fives | B．three-fifth |
| C．three-fifths | D．third-fifths |
—Are you a volunteer now?
—No, but I _____. I worked for the City Sports Meeting last year.
| A．used to | B．used to be | C．used to do | D．was used to |
The girl looked at me with a _______expression. Maybe the problem was quite ______.
| A．puzzled; puzzling | B．puzzling; puzzled |
| C．puzzled; puzzled | D．puzzling; puzzling |
A quarrel _________, which made him ______ his family.
| A．was broken out; break away |
| B．broke out; break away from |
| C．was broken away; break down |
| D．broke down; break out |
Our class _______ of thirty-two boys and twenty-three girls.
| A．is consisted | B．concludes | C．consists | D．contains |
Now a lot of new technologies can ______ problems in industry.
| A．be applied to solve | B．be applied to solving |
| C．apply to solve | D．apply to solving |