几句中译英~

题目

几句中译英~
1 正是由于他的帮助,是我能学到许多（it is.that）
2人人都知道太阳从东方升起是吗?（rise）
3 政府号召我们保护环境 （call on sb to do）
感激不尽

答案

It is his help that I learned a lot from it.Does everyone know the sun always rises from the east?The government calls on us to protect the environment.