1 . The boss has appointed Tom manager of the engineering department to take the place of George. （句式转换）
→_______________________________________________of the engineering department by the boss to take the place of George.

2 . 1941年，林医生被任命为北京协和医院妇产科的首位中国籍女主任。
In 1941, Dr Lin became the first Chinese woman ever______ director of the OB-GYN department of the PUMC Hospital.

3 . 山姆已经被指定代替乔治的位子,担当工程部的经理。
Sam has__________manager of the engineering department to take the place of George.