If you spend the spring sneezing, take a look at your plate. Some foods _____ ma
题型：不详难度：来源：
If you spend the spring sneezing, take a look at your plate. Some foods _____ make allergies worse.| A．should | B．must | C．can | D．may |
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答案
| C |
解析
试题分析：考查情态动词的区别。A should 表示说话者的意愿及应尽的责任和义务； B用在肯定句中表示较有把握的推测，意为"一定"；C 会；表示客观上会 D 也许；可能性最小；其中A项、B项、D项都表示推测，句意：如果你度过春天打喷嚏，看看你的菜。一些食物可能使过敏更严重。这里没有表示推测的；故C 正确。 |
举一反三
| It has been announced that all the students ____ put on masks before going to school in case they are infected with SARS virus. |
—He should have come to join in the thorough cleaning.
—He _____. I don’t think it was his turn.| A．needn’t have to | B．needn’t have | | C．didn’t have to | D．doesn’t need to |
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I want to open the door, but it _____ open.| A．couldn’t | B．won’t | C．wouldn’t | D．mustn’t |
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No one ______ be more generous; he has a heart of gold.| A．must | B．dare | C．need | D．could |
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Looking after very young children _____ be very annoying sometimes, but you’ll get used to it after a while.| A．must | B．should | C．shall | D．can |
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