题目内容
[2002上海] Alec asked the policeman ________ he worked to contact him whenever there was an accident.
A. with him B. who C. with whom D. whom
Alec asked the policeman ________ he worked to contact him whenever there was an accident.
[ ]
Alec asked the policeman, ________ he worked, to contact him whenever there was an accident.
Alec asked the policeman with whom he worked to _______ him whenever there was an accident.
A. contrast B. attract C. contact D. attack
