根据所给的汉语提示 ,转换下列句型

1. What should I do if I don't know the way to the railway station?(改为同意句)

    __________ __________ I don't know the way to the railway station?

2. I would say "sorry" if someone asked me to make a speech.(对画部分提问)

    __________ __________ you do if someone asked you to make a speech?

3. My friend is so confident that he finishes the work without any help.(改为简单句)

    My friend is __________ __________ to finish the work without any help.

4. It rained heavily yesterday, so we couldn't go to school.(两句合成句)

   The heavy rain __________ me __________ going to school.

5. We are sure we will win in the basketball match.(改为同意句)

    We are' sure __________ __________ in the basketball match.

牙槽嵴修整适应证时间在拔牙后（）

A.2～3周

B.4～5周

C.6～7周

D.7～8周

E.8～12周