4. As is known to all, he is honest. That?s why I believe in him all the time. But this time I don?t believe him.

3. Your skirt is similar to the one I bought yesterday.

2. His plane had taken off when I got to the airport.

7. When8. as soon as9. when

4. when5. when6. before

1. every time2. As soon as3. until

10.

Is this the first time you 　　　　　a trip by plane?

A. made

B. make

C. have made

D. had made

9.

　　　　 you have thought of the best way to solve the problem, do explain it to us.

A. Now that

B. Because

C. For

D. Although