Answer:

1.In fact, the longer you cook it,the better it tastes

2.Good clothes are often expensive. Usually, the better they are,the more expensive they are.

3.We drive more slowly on narrow roads. In fact, the narrower the road,the more slowly we drive.

4.You'll make more mistakes if you're tired. In fact, the more tired you are,the more mistakes you make.

5.You feel energetic when you're fit. Generally, the fitter you are,the more energitic you feel.

Cấu trúc so sánh kép:

the + short adj. / adv.- er + S + V, the + short adj. / adv. - er + S + V
the more + long adj. / adv. + S + V, the more + long adj. / adv.  + S + V
the + short adj. / adv.- er + S + V, the more + long adj. / adv.  + S + V
the more + long adj. / adv. + S + V, the + short adj. / adv. - er + S + V

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