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 your decision against its possible consequences
　　3.would he break/breach his promise/commitment to pay back the money
　　4.should not be addicted to computer games. / they should not indulge themselves in computer games / they should not abandon themselves to computer games
　　5.never considered working as a salesman