—Tim，you are leaving for Jiuzhaigou tomorrow. Why not pack your clothes and food up now?
—________.
| A．Good idea | B．Help yourself |
| C．Go ahead，please | D．Me，too |
There is a limit ____ my patience.
| A．within | B．in | C．to | D．with |
How can we ____ all these flies in the kitchen?
| A．get rid of | B．send | C．throw away | D．take |
If you ____ do as I tell you , you ____ go to the party .
| A．can ; shan''t | B．wil l; won''t | C．won''t ; shall | D．won''t ; shan''t |
Li Ling was a diligent boy . He ____ go to school though it was raining hard .
| A．was able to | B．could | C．couldn''t | D．wasn''t able to |
The work ____ be finished in such a short time .
| A．wasn''t able to | B．couldn''t | C．ought | D．could |