ปัญหา 2เลือกประเภทThe man, _______________ wife is a famous violinist, can play the piano himself.whowhosewhomwhich
ปัญหา 3เลือกประเภทThe Johnson family, _______________ son moved to the U.K., lives in Canada.whenwhywhomwhose
ปัญหา 5เลือกประเภทCan you tell me about the policeman, _______________ you spoke with this morning?thatwhomwhowhich