Jim______ sing Chinese songs very well now, but he______do it last year.A．can;
题型：不详难度：来源：
Jim______ sing Chinese songs very well now, but he______do it last year.| A．can; can’t | B．could; can’t | C．can; couldn’t | D．could; couldn’t |
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答案
| C |
解析
试题分析：can能，能够。Could是can的过去式，用于一般现在时态表示委婉的请求建议等语气。couldn"t 是can`t的过去式和虚拟式。在实际应用中，could`t是can`t的礼貌用法，含有不情愿的意思，加上有虚拟的含义，语气较弱。表示否定时can"t比couldn"t的否定意味更重。句意：吉姆现在中国歌曲唱得很好,但是去年他不能.结合语境可知前文表示现在的状况,下文表示过去的状态,故选C.
点评：情态动词的考查是初中英语考查的重点，平时学习中一定要熟记这些词的基本词义及用法上的不同，注意其用法及在句子中表达语气的不同。考试中结合语境选择合适答案。 |
举一反三
—Look at the young lady in red. Is it Mrs. King?
—No, It ________ be her. She is wearing a white dress today. |
The man be my English teacher . He has gone to Canada
A. might B. must C. can" t |
Shall I take my swimming suit?
No, you ______. We will just go hiking on the mountain.| A．mustn’t | B．couldn’t | C．needn’t | D．can’t |
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The lady in the sitting room be over sixty. She looks so young.| A．can’t | B．must | C．may | D．needn’t |
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----Where is my watch? I _______ find it.
----Don’t worry. It must be somewhere in your room. | A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
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