1. 句型转换（同义句转换）

1. （1） I don't understand why you bought that expensive coat when these cheaper ones are just as good.

   →It  for you to buy that expensive coat when these cheaper ones are just as good.

3. （2） The first meal of the day should be rich；otherwise it is possible that you feel hungry later.

   →The first meal of the day should be rich；otherwise you feel hungry later.

5. （3） Nowadays，homeschooling has become popular in many countries for a variety of reasons.

   →Nowadays，there are reasons homeschooling has become popular in many countries.

7. （4） This form of poetry is easy and English writers can write it.

   →This form of poetry for English writers .

9. （5） I failed in the entrance exam because I didn't study hard.

   → I failed in the entrance exam was I didn't study hard.

11. （6） The windows of the classroom need washing.

    →The windows of the classroom need .

13. （7） Whenever he returns to his hometown，he always goes to see his old teachers.

    → he returns to his hometown，he always goes to see his old teachers.

15. （8） It is time for you to give the performance.

    →It is time that you the performance.