-- The math problem _________ is not difficult. --- But after several tries , I
题型：不详难度：来源：
-- The math problem _________ is not difficult.
--- But after several tries , I have to give up _________ on it .| A．it’s , working | B．itself , to work | C．itself , working | D．its , to work |
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答案
| C |
解析
试题分析：根据题干，本句的意思是”这道数学题本身并不难。“第一个空是做the math problem的同位语，故应该用itself，表示本身。Give up doing”放弃做某事“，是固定短语。所以本题选C。
点评：做本题时应该注意词的位置，以此来确定是否用同位语；还应注意固定短语的用法。 |
举一反三
--- Tom is one of _________ students in my class .
--- Yes . He usually prefers _________ at home to playing outside . | A．the most hard-working , studying | B．more hard-working , to study | | C．the most hard-working , to study | D．more hard-working , studying |
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Our teacher often tells us ________ too much time watching TV.| A．don’t spend | B．not spend | | C．not to spend | D．not spending |
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Sir, would you mind not _____ here, please?| A．to smoke | B．smoke | C．smoking | D．smoked |
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My parents asked me ______ my sister with her schoolwork.| A．help | B．to help | C．helping | D．helped |
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It’s time for class. So stop ________, please.| A．to talk | B．talking | C．talk | D．talked |
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