Do you know whom ___?whom在句中作主语成分?为什么选cA.does this jacket belong to B.is this jacket belong to C.this jacket belongs to D.this jacket is belonging to
问题描述：
Do you know whom ___?whom在句中作主语成分?为什么选c
A.does this jacket belong to B.is this jacket belong to C.this jacket belongs to D.this jacket is belonging to
答