As we all know the H1N1 Flu is so serious, students can’t go into the school _______ they take the temperature and get sure they don’t have a fever.

 I think history is interesting,        you don’t like it.

I have two children, and ________ of them are working in the west of China.

—Excuse me. How can I get to the library?—walk along this street_______ you see the traffic lights. You will find it on your left. 

________ Jeremy was hurt in the match, he didn’t give up and finished in ninth place.