Раскройте скобки, употребляя требующуюся форму прилагательного.The Arctic Ocean is (cold)

Раскройте скобки, употребляя требующуюся форму прилагательного.
The Arctic Ocean is (cold) than the Indian Ocean.
Chinese is (difficult) than English.
Spanish is (easy) than German.
She is not so (busy) as I am.
It is as (cold) today as it was yesterday.
She is not so (fond) of sports as my brother.
Today the weather is (cold) than it was yesterday.
This book is (interesting) of all I have read this year.
January is the (cold) month of the year.
My sister speaks English (bad) than I do.
Which is the (hot) month of the year?
Which is the (beautiful) place in this part of the country?
This good-looking girl is the (good) student in our group.