---Be polite . You _____ talk to the old like that ! ---Sorry , I won’t .
| A． needn’t | B． wouldn’t | C． mustn’t | D． couldn’t |
Usually it’s easier to make _______ decision than to take ________ action.
| A．a; a | B．/; an | C．/; / | D．a; / |
--“Oh, no！There isn’t any sugar left.
-- ______. I’ll buy some when I go into town.
| A．Good idea. | B．Not at all. |
| C．Go ahead. | D．Never mind. |
You can’t imagine(想像) how much difficulty he had ___________his bad moods.
| A．to change | B．change |
| C．changing | D．to changing |
Amy was not sure _______________________.
| A．that she should ask for her teacher’s advice |
| B．if she should finish the task before October 15th |
| C．that should she buy a present for her friend |
| D．if should she go through the third gate |
When I feel blue , I prefer ________some books _______myself up.
| A．to read, to cheering | B．reading, to cheering |
| C．to read, to cheer | D．reading, than cheer |