1.我要对你说多少次你才能注意你的书写（attention）2.我没办法掩饰我对此缺乏兴趣（lack）3.tom考试不及格,我们都小心地避免提起那件事（avoid）4.到了那里一定要给我写信（sure）

Question

1.我要对你说多少次你才能注意你的书写（attention）
2.我没办法掩饰我对此缺乏兴趣（lack）
3.tom考试不及格,我们都小心地避免提起那件事（avoid）
4.到了那里一定要给我写信（sure）

Answer 1

1. How many times I need to say then you will pay attention to your writting.
2. I can't conceal that I am lack of interest in this.
3. Tom failed the exam which we avoided to refer to.
4. Make sure to write letters to me when you reach there.