英语翻译1.用过去时描述你上星期做的事情2.你如何保护我们的环境3.请你描述小学英语课上都学到了什么最好能把句子翻译一下

1 Describes matter which with the past tense you did last week
2 how do you protect our environment
3 Asked you to describe in the elementary school class in English to learn any