—Could I use your pen? —Of course, you _______.[ ]A. must B. may C. can -九年级英语

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• 古书《说苑．正谏》中有这样一段记载：“园中有树，其上有蝉，蝉高居悲呜，饮露，不知螳螂在其后也；螳螂委身曲附欲取蝉，而不知黄雀在其傍也；……”这是比喻社会现象的寓言，但却反-八年级生物
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• Return home quickly. Your parents _____ be worried about you now.[ ]A. canB. may C. must D. could-九年
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