I have lost one of my gloves. I it somewhere.
A. must drop
B. must have dropped
C. must be dropping
D. must have been dropped
网友回答
A. must drop
(答案→)B. must have dropped
C. must be dropping
D. must have been dropped
解析：考查情态动词用法。对过去的进行推测使用“情态动词+have done”的形式，根据第一句中的文章完成时，说明手套的丢失是在过去发生的事情，故是对过去的情况进行的推测，故使用B项，D项的被动语态使用错误。句意：我丢了一只手套，我一定是把它丢在某个地方了。故B正确。