giúp mình với mình vote 5 sao cho 1. No one in my class is taller than Peter -> Peter 2. The black dress is more expensive than the white one -> The white dress 3. No one in my group is more intelligent than Mary -> Mary 4. No river in the world is longer than the Nile -> The Nile

`1`. Peter is the tallest (student) in my class.

`-` No one + in (place) + tobe + adj + "-er" + than + S

`=` S + tobe + the + adj + "-est" + N + in (place)

`2`. The white dress is cheaper than the black one.

`@` Cấu trúc so sánh hơn với adj-ngắn:

`-` S1 + tobe + adj + "-er" + than + S2

`3`. Mary is the most intelligent in my group.

`-` No one + in (place) + tobe + adj + "-er" + than + S

`=` S + tobe + the + adj + "-est" + N + in (place)

`4`. The Nile is the longest river in the world.

`-` No + N + in (place) + tobe + adj + "-er" + than + S

`=` S + tobe + the + adj + "-est" + N + in (place)