小测验：选择正确的单词

1. I am pondering how to respond.
   我在琢磨该怎样回答.
2. Brigit did not ponder on these things too long.
   布丽吉德没花很长时间考虑这些事情。
3. With the great seriousness I pondered upon the problem.
   我极其认真地考虑了这个问题。
4. He shut himself in and pondered over his mistakes at home.
   他在家闭门思过。
5. They are pondering moving their offices outside London.
   他们正在考虑把办事处搬出伦敦。

　1个形容词解释