We’d better check the conditions of the car before starting our journey. —OK, ______.

A positive attitude，________with willingness to seek appropriate help and exercising solid study habits，will do much to determine how well you do in your studies

The situation in the Middle East is so ______ that we have to be ______ when dealing with the hostage issue. [ ]

Has Tom finishedwriting his essay today — I haveno idea. He ______ it this morning.

Mary isn’t here at the moment. She ______ later.