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工作)