I think it’s_______ useful advice, so I will always remember it.

What do you mean ________ saying “The boy is overgrowing”?— I mean that he is tall ________ his age.

My uncle is not rich, but he has many books in ________ room.

They went fishing ______ a sunny morning. [ ]

There seems to be little chance___ Jack will recover from his injury in time for the race.