【单选题】We have been told that under no circumstances we can use the telephone in the office for personal affairs.
A．did we use
B．may we use
C．we may use
D．we could use
【单选题】We have been told that under no circumstances we can use the telephone in the office for personal affairs.
A．did we use
B．may we use
C．we may use
D．we could use
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