Adverbs: Degrees of Comparison

Translate the words and word combinations:

Старый, старше, самый старый, самый стар­ший, мой старший брат, мой старый друг, даль­ше, самый дальний, самый длинный, короче, счастливый, счастливее, самый счастливый, са­мый лучший, самый черный, длиннее, хуже, лучше, теплее, ее лучший друг, ее младший сын, его старший сын 

 Use the required form of the adjective  

1.  The Volga is (short) than the Mississippi. 
2.  The Alps are (high) than the Urals.
3.  The Thames is (short) than the Volga. 
4. The Arctic Ocean is (cold) than the Indian Ocean.
5.  Chinese is (diffi­cult) than English. 
6.  Spanish is (easy) than Ger­man.
7.  Today the weather is (cold) than it was yesterday.
8.  January is the (cold) month of the year. 
9.  Which is the (hot) month of the year?
10.  Which is the (beau­tiful) place in this part of the country? 
11.  Which is (large): the United States or Cana­da? 
12.  What is the name of the (big) port in the United States? 
13.  Moscow is the (large) city in Russia. 
14.  The London underground is the (old) in the world. 
15. There  St. Petersburg is one of the (beau­tiful) cities in the world. 
16. The rivers in America are much (big) than those in England. 
17. The is­land of Great Britain is (small) than Greenland. 
18. What is the name of the (high) mountain in Asia?
19.  The English Channel is (wide) than the straits of Gibraltar.
20.  Russia is a very (large) country.