— Do you have to take care of your mother at home ? — Yes , I ____ . A．doB．have
题型：不详难度：来源：
— Do you have to take care of your mother at home ?
— Yes , I ____ . | A．do | B．have to | C．have | D．shall |
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答案
| B。 |
解析
| 回答情态动词 have to 的一般问句时肯定用 have to 或 must , 否定用 don""t have to 或 needn""t。 |
举一反三
— ____ he open the door ?
— Yes , please . | A．Will | B．Shall | C．Does | D．Would |
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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 |
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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 |
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— ____ you please open the window ?
— Yes , I ____ . | A．Would ; would | B．Would ; will | C．Will ; can | D．Must ; must |
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— They haven""t finished the work up to now .
— Well , he ____ . | A．should have | B．should | C．ought to | D．ought have |
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