应然
Education should be geared to the children's needs and abilities. 教育应适应儿童的需要和能力。
I think that all rapists should be strung up. 我认为所有的强奸犯都应该被绞死。
Teaching content should be concise. 教学内容要少而精。
The clause should be set off by a comma. 这个从句应该用逗号隔开。
Every citizen should be obedient to the law. 每个公民都应当是遵守法律的。
The meat should be finely diced. 这块肉必须细细切成小方块。
