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`#Zkj `

`48. ` Apples are not as expensive as oranges.

`@ ` expensive`: ` đắt. >< cheap`: ` rẻ.

`@ ` So sánh bằng`: ` S`1+ `V`+ `as`+ `adj`+ `as`+ S`2 `

`49. ` John used to smoke cigarettes when he was a young man.

`@ ` used`+ `to V`: ` Đã từng làm gì.

`50. ` Nobody student in the class more clever than Sally.

`@ ` Comparative với short adj`: `S`1+ `V`+ `more`+ `adj`+ `than`+ `S`2 `

`@ ` Superlative với short adj`: `S`+ `V`+ `the`+ `adj`+ `est`+ `N`/ `of all.

`51. ` I like following good traditionals.

`@ ` like`+ `V`- `ing`: ` thích làm gì. `= ` keen on`+ `V`- `ing`: ` Yêu thích cái gì?(`1 ` cách cuồng nhiệt)