Degree of comparison part 2

This puzzle is ___ than the one we did yesterday.

• difficult

• more difficult

• most difficult

Of all the birds, eagles have the ___ vision.

• keen

• keener

• keenest

Tina is ___ at playing the piano compared to her brother.

• good

• better

• best

The red dress is ___ than the blue one.

• pretty

• prettier

• prettiest

The traffic is getting ___ as we approach the city center.

• heavy

• heavier

• heaviest

That was the ___ movie I've seen in a long time.

• entertaining

• more entertaining

• most entertaining

This phone is ___ the one I had before.

• expensive

• more expensive

• most expensive

 

Among all the countries, Antarctica is the ___.

• cold

• colder

• coldest

 

Her voice is ___ as melodious as the nightingale's.

• not

• less

• least

 

 

The white shirt is ___ the black one.

• cheap

• cheaper

• chepest