1.  That's why Chinese have healthy white teeth.

2.  I had two questions, I thought you could help me.

3.  Their means, useful ways are same, they had diffrerent too, why ?

4.  The new term had been on Formally for two weeks.

5.  All customs that in last term Had been restored.

6.  We had to go to school at night again.

7.  Besides this,, we had to go to school at night again.

8.  Besides this, we had to go to school to read aloud the text at AM 7 :30 , and we had to write the old words from vp2,6-1] memory everyday.

9.  Two People Two Result At this weekend, we will have a maths test.

10.  When I saw t, I said it was easy, and I had done it.