This kind of exercise is most _______, and therefore is a good test of your students’ ability.
We should analyze the work ______ instead of concentrating only on some single parts.
The Car Club couldn’t ______ to meet the demands of all its members.
_______ not to miss the early train, we got up ahead of time and hurried to the station.
She made a ______ in our plan to play basketball when it started to rain.
As a student, I’d prefer _______ if I didn’t have to do so much homework.