What does “other people’s children” mean in this conversation? A: They are the representative of well-behaved children with low grades. B: They are the representative of naughty children with high grades. C: They are the representative of well-behaved children with high grades. D: They are the representative of naughty children with low grades.

Students of ________ grades are those studying in the first three grades of elementary school.

Elementary and secondary educa...d into _____ grades.

If students are not satisfied with their grades, should the college allow them to ____(negotiation)grades with their professors?

Homework_______ on time will lead to better grades.

If he 　　　 hard, he will get good grades.

There are four grades in universities. They are _____, _______, ____, and _______.

If students are not satisfied with their grades, should the college allow them to ________ grades with their professors? A: conduct B: negotiate C: plead

If students are not satisfied with their grades, should the college allow them to ________ grades with their professors? （ ） A: revise B: plead C: change D: negotiate

‎If students are not satisfied with their grades, should the college allow them to ________ grades with their professors?‏‎‏ A: appreciate B: evaluate C: depreciate D: negotiate