– John seems to be upset. What happened? -- The boss disliked the plan he ________ for the new project?
I know that our geologists think highly of his researches in the ______
The question ______ last night was of great importance.
I heard a soft _______ at the door. When I looked up, I found it was Mary.
Last night he left his bike outside and had it_______.
To keep ______, we must do more out-of-door exercises.