英语题目，高手帮忙！

I (have去掉） received your letter last week.
Don’t worry about me.
I’m getting on well with my research (work) in the lab .
But to my surprise you say you will give up （learning) English.
The reason is (that) you have not done well (with) it recently and you have lost (interest).
I’m afraid I can’t agree with you.
I know it is not easy to learn English ,(but) English is widely used in the world today and it will be (加上an) important tool in your future work . (Besides),it is becoming more and more important in our daily life.If you study hard ,(and去掉) you will succeed.
Do remember: Where there is a will,there is a way.
I’m looking forward to hearing good news from you!

I had received your letter last week..Don’t worry about me. I’m getting on well with my research works in the lab . But to my surprise you say you will give up learning English. The reason is because you have not done it well recently and you have lost interesting. I’m