英语啊`帮帮忙`学习的啊`

at the edge
in the bottom
no matter
skills

1.我正站在长城边上
I'm standing ____on the edge______________of the Great wall
2.他们在峡谷的底部
They are _____at the bottom_____________the canyon
3.无论这项任务多么艰苦........
___No matter_____how hard the task is
3.In order to learn English well,we should master four skills___

1. by the side
2. at the bottom of
3. No matter
4. skills
你是初中生吧，开学上初三吗

1.next
2.In the bottom of
3.no matter

3.step(这个是自由发挥的，我写的是步骤)