1. ____________________(他们的独生儿子从未想过) to leave them and strike out on his own though he is in his late twenties.
　　2. Before you take any action, please remember to _______________(权衡你的决定会产生的后果).
　　3. He assured his friend that under no circumstances _________________(他会违背还钱的承诺).
　　4. Most educators advise that kids ____________________ (不要沉溺于电脑游戏).
　　5. Business major as he is, he has ____________________ (从未考虑过从事推销员的工作).

　　答案与解析：
　　1.Their only son has never thought
　　2.weigh the consequences of your decision
　　3.would he break / breach his promise/commitment to pay back / repay the money.
　　4.(should) not be addicted to computer games. / (should) not indulge (themselves) in computer games
　　5.never considered working as a salesman / taking a job as a salesman