6. 你家总是这么整洁——你在有三个孩子的情况下是怎么做到的？

Your house is always so neat―how do you        with three children? (manage)

5. 众所周知，提前做好全面的研究是非常重要的。

As everyone knows,doing a thorough research ahead of time      .(be of+n.)

4. 我们应当做好准备以应对不同的情况。假如他不接受我们的方案怎么办？

We should be well prepared for different situations.      ？(what if+从句)

3. 小心！一旦被加热，这种材料很容易着火。

Be careful!This material will catch fire easily        .(once-\-v. -ed)

2. 每一次任何紧急情况突然发生时，你都要保持冷静。

You must keep calm        any emergency        suddenly.(every time+从句)

根据中文意思及括号内的提示完成句子

1. 一定要准备好一切；否则这次你将彻底失败。

        ，or you will get a thorough failure this time. ( do/does/didhv.)

10. We must learn to recognize        (那些伪装的撒谎者) and try not to be cheated by them.

9. That thief        (伪装成一名清洁工) and entered that office building.

8.        (就.. 而言) dealing with emergencies?Jack is the best of all the people here.

7. Hearing the police sirens,the thieves        (四处逃散) ，but finally they were all caught.