Giúp em với mọi người ơi

1 c

- Grand ( a ): Vĩ đại ~ Large ( a ): To lớn.

2 a

- D/c: There are cliffs on each side.

3 d 

- D/c: Long ago, people used to live in caves above canyons.

4 b

- D/c: You can ride a mule down to the bottom of it.

`1.C`

`-` Dẫn chứng:  It is one of the largest canyons in the world.

`2.A`

`-` Dẫn chứng: There are cliffs on each side

`3.D`

`-` D/c: Long ago, people used to live in caves above canyons.

`4.B`

`-` D/c: You can ride a mule down to the bottom of it