问题
选择题
---It’s the office! So you _____ know eating is not allowed here.
---Oh, sorry.
A．may
B．will
C．must
D．need
答案
答案：C
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---It’s the office! So you _____ know eating is not allowed here.
---Oh, sorry.
A．may
B．will
C．must
D．need
答案：C