You, who ______ his good friend, should help him get out of trouble. 

Every student as well as teachers who_______ to visit the museum ______ asked to be at the school gate on time.

When the headteacher announced his plan for a spring outing，the ______ of the students in the class ______ for it.

The class ______ big. Now the class_______ practicing swimming.

A number of students____  attending the meeting now and the number of students _____more than 100.