My new pen . Who have taken it?
A. has been disappeared; can
B. has disappeared; could
C. is missing; should
D. has been lost; may
网友回答
A. has been disappeared; can
(答案→)B. has disappeared; could
C. is missing; should
D. has been lost; may
解析：句意：我的新钢笔不见了。谁把它给拿走了？disappear不能用于被动，故排除A；sth be missing某物丢了；sth be lost某物丢了；should have done应该做而未做；could have done可以用于疑问句，表示过去可能发生过某事；may have done表示过去某事可能已经做了，不能用在疑问句中；故选B。