超急的!句型转换：1.Sixteen-year-olds should not be allowed to drive.（改为同义句）Sixteen-year-olds shoule not be allowed to
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1.Sixteen-year-olds should not be allowed to drive.
Sixteen-year-olds shoule not be allowed to drive cars .
2.Anne failed the math exam again.（改为同义句）
Anne didn't pass in the math exam again.
3.Why is it good to volunteer?
what is it good to volunteer for?
======以下答案可供参考======
供参考答案1:
1. drive cars
2. was defeated
3. What for
供参考答案2:
1，ride car
2，didn't pass
3,What for
供参考答案3:
句型转换： 1.drive cars.
2.didn't succeed
3.what for