– A number of students ____ in the dinning hall.-- Let me count. The number of the students ____ about 400.
There used to be a boarding school there, _______?
Would you please help me _____ the picture on the wall?
Not only I but also Tom and Jack _____ interested in English because it _____ useful.
The room _____ I live _____ is very large.
Could you tell me ______ ?