Hi, Peter.Long time no see.— Oh, it’s you, Jack.I’m sorry I didn’t ________you at first. [ ]

Singe women usually stay away from marriage by their own choice, ______ single men are mostly victims of circumstances.[ ]

Mr. Smith ________ from here for three months. He’ll return in a week.

Many years ago, Mulan ________ up like a boy and _______ her father’s place to fight in the army.

How long is it ___ the new math teacher came here?—Two weeksThe students just wonder how ___ they can go with him.[ ]