It is the third time that he ______ the first prize in the competition.
| A．wins | B．won | C．has won | D．to win |
— ____ you please open the window ?
— Yes , I ____ .
| A．Would ; would | B．Would ; will | C．Will ; can | D．Must ; must |
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 |
— ____ he open the door ?
— Yes , please .
| A．Will | B．Shall | C．Does | D．Would |
— Do you have to take care of your mother at home ?
— Yes , I ____ .
| A．do | B．have to | C．have | D．shall |