When asked to explain _____ he did to make his students so fascinated with his lessons, the teacher paused and thought deeply.
Failure is the mother of success. ______ your courage and you’ll succeed.
_______ some of this juice--- Perhaps you’ll like it.
One of the sides of the board should be painted yellow, and _______.
The picture ______ on the wall is painted by my nephew.
The result of the experiment was very good, ______ we hadn’t expected.