【題目】You _____be careful with the camera. It costs!

A .must B. may C. can D. will

【答案】A

【解析】

試題分析：考查情態(tài)動詞。根據(jù)下文的it costs可知，照相機很昂貴，故選擇A，意為你一定要非常小心對待照相機，它很昂貴�？疾榍閼B(tài)動詞的用法。情態(tài)動詞是每年高考的熱點也是難點，此題主要考查情態(tài)動詞基本意義的辨析。因此考生需要熟知選項中每個選項的具體意義以及之間的用法區(qū)別，然后根據(jù)句意選擇正確的選項。選項B意為可能；選項C意為能夠、有時會；選項D意為會、愿意等。根據(jù)句意，是說話人提出的要求，故選擇A，表示必須。

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