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

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

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

在SQL Server 数据库中，如果强制要求grades表中的学员必须是Students表中存在的学员，以下描述正确的是 （ ）。 A: 在grades表中创建外键约束 B: 在grades表中创建检查约束 C: 在grades表中创建唯一约束 D: 在grades表中创建默认约束

If the amount of time a student spent studying was positively correlated with grades achieved, what would we expect to see if someone had low grades?

2. Poor grades are usually the result of______.

She earned her grades through _______________ hard work.