问题
选择题
The life of a high school student is usually active, exciting and full of fun, but it ______ be stressful
sometimes.[ ]
A. must
B. can
C. need
D. should
答案
答案：B
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The life of a high school student is usually active, exciting and full of fun, but it ______ be stressful
sometimes.[ ]
A. must
B. can
C. need
D. should
答案：B