Though Mandela﹙曼德拉﹚____27 years in prison﹙监狱﹚, he thought it meaningful.

I hate people ______ talk much but do little.

What did he say in_______ of his stupid behavior?–He admitted having made a serious mistake.

The woman was ______ her son because he didn’t finish his homework. [ ]

If I walka rainforest, I will see some strange birds. [ ]