1.The most effective means to solve this problem is that ______________. In that case, ______________.
2. Everything has its own two sides, no exception with AAA. For one thing, ______________. for another, ______________.
3. My experience tells me that to ______________ needs a thorough and persevering process, and in this process you had better abide by the principles mentioned above.
4. On the whole, it is high time that we recognized the significance of ______________.
5. As a result, we should take some effective methods to ______________.