You’re supposed to keep the classroom .

I want to ring him＿＿＿to know the reason why he rang＿＿＿while I was speaking yesterday

There isn’t such a word ______ I know

________ have you kept the book — Since last Month. I ________ return it to the library today or I can’t borrow one next time.

There are over _________students in their schoo1.