Be careful _______ what you are doing.A with B in C of
问题描述：
Be careful _______ what you are doing.A with B in C of
答
答案：A解释：be careful with 表示“小心,照顾”,是固定词组,比如：Be careful with your luggage.小心看好您的行李.Be careful with this key, please? There's no spare.留心保管这把钥匙,因为没有备用的.祝你学...