问题
选择题
- I have coffee to refresh myself recently.
- Is that so? If you _______, make sure you limit it to one cup a day.[ ]
A. shall
B. may
C. can
D. must
答案
答案：D
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- I have coffee to refresh myself recently.
- Is that so? If you _______, make sure you limit it to one cup a day.[ ]
A. shall
B. may
C. can
D. must
答案：D