The book ______ his success. A: ensured B: sure C: ensued D: insured

He was depressed about his failure in the project but reason ____ over emotion. A: prevailed B: ensued C: presumed D: assaulted

The old lady has a high fever for more than two days, but her doctor has ____ her family that she’ll recover in no time at all. A: ensued B: ensured C: assured D: insured