Ifa teacher asks students to fill in the blanks in a passage with that, which or whom,he/she is least likely focusing on grammar at_________．

The students in a certain physical education class are on either the basketball team or the tennis team, are on both these teams, or are not on either team. If 15 students are on the basketball team, 18 students are on the tennis team, 11 students are on both teams, and 14 students are not on either of these teams, how many students are in the class?

The students in a certain physical education class are on either the football team or the basketball team, are on both these teams, or are not on either team. If 12 students are on the football team, 15 students are on the basketball team, 8 students are on both teams, and 9 students are not on either of these teams, how many students are in the class?

27 Mrs.White showed her students some old maps from the library．

28． Mr Snow asked the Browns some questions to _________．

已知学生成绩关系表，其模式为STUDENT（学号，姓名，数学，物理，英语），完成下列查找3门课成绩都在90分以上的学生名单的SQL语句为：SELECT 学号，姓名 FROM STUDENT WHERE数学>=90（）物理>=90（）英语>=90

From 1997 to 1998 the number of students enrolled in advanced mathematics courses increased by the same percent that student enrollment in advanced mathematics courses dropped from 1996 to 1997. What was the approximate number of students enrolled in advanced mathematics courses in 1998?

In 2002, the same number of students participated in the fund-raiser from class C as from class D. If class D contained 120 students in 2002, how many students were there in class C in 2002?

That student______his hand every time I asked a question.

When students are given the structure in an authentic or near authentic context and are asked to work out the rule for themselves, what kind of method their teacher is using?

Some students are enthusiastic for position in student organizations probably because__________

Some students are enthusiastic for positions in student organzation probably because _____