—What a pity! Their experiment is a failure.—They ________ better under more favorable conditions.
The printer is of good quality. If it ______ break down within the first year, we would repair it at our expense.
His tired face suggested that he ________ really tired after the long walk, and I suggested that he ______ a good rest.
With the rising price,I have to _______ quite a lot of things ---clothes,records and so on.
—May I go now? —_______ you've finished your work,you may go.
The teacher asked us to ________ a story about Christmas.