Pity you didn’t attend Lucy’s birthday party last night.- You know the coming exam. I’m to _______ it.[ ]

The basket is ______ eggs.

It was simply for that reason ____ I wouldn’t tell him the truth.

I want to know if the idea _______ she has thought up works out fine.

Excuse me, are these Mary’s exercise books — Sorry. They are______ exercise books. ______ are on the teachers’ desk.