Can it have been on the playground you lost your watch ?A. thatB. on whichC. whereD. in t

问题补充：

Can it have been on the playground you lost your watch ?

A. that

B. on which

C. where

D. in that

答案：

(答案→)A. that

B. on which

C. where

D. in that

解析：考查强调句型it is +被强调部分 +that….。句意：就是在操场上你把表弄丢了吗？