Usually, good desks are made ______ good wood. [ ]

Mary, it’s going to rain. Better take ________ raincoat with you.—Well, but I can’t find ________ raincoat I put here yesterday.

She is a mother ______ four children.[ ]

I don’t know ______ with this problem. It’s too hard. — You can ask Mr Wang for help.

Jake ______ his friends is waiting ______ their teacher. [ ]