Who is cuter, dogs or cats?

I think dogs are cutter than cats.

I think dogs are cuter than cats.

I think dogs is cuter than cats.

I think dogs are cuterer than cats.

Đáp án: I think dogs are cuter than cats.

Vì: 

I think dogs are cutter than cats => cute viết sai chính tả nên loại

I think dogs are cuter than cats => đúng mẫu câu nên chọn

I think dogs is cuter than cats => is dùng sai, cái này có S nên ta phải cho are

I think dogs are cuterer than cats => sai từ nên loại

Who is cuter, dogs or cats?

I think dogs are cutter than cats.

I think dogs are cuter than cats.

I think dogs is cuter than cats.

I think dogs are cuterer than cats.