问题
选择题
— Susan, would you like to go hiking with us this afternoon?
— I'd love to, but I study for a test.
A. may B. have to C. can
答案
答案：B
情态动词的考查。May意为“可以”；can意为“能够”，have to意为“不得不”，根据句意可知“我不得不为考试而学习”。
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