英语翻译，急求啊··！！！~

Question

1.要自信，相信我们能够创造自信（不定式作定语）
2.不能把注意力集中到学习上也导致我们的落后（contribute to）
3.最糟糕的是，我们很长一段时间内没有养成好的学习习惯（that引导表语从句）

Answer 1

Be confident and we have the belief to build up self-confidence.
Being unable to concentrate on our study contributes to our falling behind.
3. What is worst is that we haven't formed a good learning habit for quite a long time.
或：The worst thing is that we have not been able to form a good learning habit for quite a long time.

Answer 2

Be confident, and have the belief to create confidence.
it also contributes to the lagging-behind that we did't concentrate on the study.
the worst thing was that we didn't form good study habits.