VII. Rewrite the following sentences without changing their meaning. 31. Let’s install recycling bins in the school corridors. => Why ____________________________________? 32. It’s against the rules to use mobile phones during lessons. => Students _________________________________. 33. The Burj Khalifa is taller than any other buildings in the world. => The Burj Khalifa is the ______________________.

`31` Why don't we install recycling bins in the school corridors?

`32` Students mustn’t use mobile phones during lessons

`33` The Burj Khalifa is the tallest building in the world

`-` CT :

Let's + V-inf

Why don't we + V-inf +....?

It’s against the rules + to V

S + must/mustn't + V-inf

S + tobe + adj/adv + -er + than + S ( đối với tính từ , trạng từ ngắn )

S + tobe + more + adj/adv + than + S ( đối với tính từ , trạng từ dài )

S + tobe + the + adj/adv + -est + N ( đối với tính từ , trạng từ ngắn )

S + tobe + the + most + adj/adv + N ( đối với tính từ , trạng từ dài )

$baoyen.$