Zhao Benshan，whose overwork ________ his health failure，is said to have performed in．the Spring Festival Gala on CCTV in 2011．
| A．contributed to | B．appealed to | C．applied to | D．owed to |
— Do I have to clean the dining room now?
— No, you ______.
| A．don’t have to | B．mustn’t | C．needn’t to | D．shouldn’t |
Come at 8. That’ll give me ______ time to get ready.
| A．a number of | B．a great many | C．a good deal | D．plenty of |
—My cat’s really fat.
—You _____ have given her so much food. (浙江2007)
| A．wouldn’t | B．couldn’t | C．shouldn’t | D．mustn’t |
Our government ______ all people to save energy and fight against pollution.
| A．calls on | B．calls up | C．calls out | D．calls for |
Only in that way _______ ready for the challenges and opportunities in life.
| A．will we be | B．we will be | C．will be we | D．we shall be |