We have been told that under no circumstance the telephone in the office for personal affairs.
A. may we use
B. we may ring
C. we could borrow
D. did we answer
网友回答
(答案→)A. may we use
B. we may ring
C. we could borrow
D. did we answer
解析：该题考查的是否定词放在句首，句子部分倒装。