1. Mai said to Jean, “ Why are you so late ? Did your car have a flat tire ? ”
->Mai asked Jean why he was so late and if his car had a flat tire. ( was )
2. I am sorry that I didn’t take your advice.
-> I regret not taking your advice. ( regret )
3. The house in the city is too expensive for my father to buy for me.
-> It is so expensive a house that my father can't buy for me ( so …… that )
4. Finish the work today, or I won’t pay you.
-> I won't pay you unless you finish the work today.( unless )
5. The difficult lessons aren’t finished in class on time.
-> The students can't finish the difficult lessons in class on time.( finish )
6. In spite of her youngage, she is quite experienced.
7. No sooner did we arrive at the theater than the play started.
8. The more money Mike earned, the more clothes he bought.
9. By whom people in your class are made to laugh ?
10. Nam offered to clean the windows for Mai.