Our survey used a ________sample of 500 college students across the country.

The competition attracted over 500 college students _____________ 8 different countries. (representation)

There are 500_______students and 300_______teachers in this school. A: girl; woman B: girls; woman C: girls; women D: girl; women

This is many ______ classroom. A: students B: students’ C: students’s

For whom is A.P. course prepared for?? Middle school students; |Postgraduate students|College students ; ; ; ; ; ; ; ; ;;|High school students ; ; ; ; ; ;;

Whichoneisrightaboutoddsandendsforstudents（） A: Students’successorfailureliesintheiruseoftime. B: Students’successorfailureliesintheirregularday’swork. C: Students’workcanbedecidedbytheuseoftim

For whom is A.P. course prepared for?( ) A: postgraduate students B: middle school students C: college students D: High school students

​ For whom is A.P. course prepared for?‌ A: High school students B: Middle school students C: College students D: Postgraduate students

__________ are usually careful in doing exercises.（4.0分） A: Girl students B: Girls students C: Girls’ students D: Girl’s students

______ do their homework carefully. A: [A]No all the students B: Not all the students C: None the students