It is not an easy thing to learn a foreign language. We have to practice very hard and try to learn as many words as possible. We can't ... speak any language without words. What do you ... think is the best way to memorize new words? First of all, you should ... repeat the words you've learnt as often as possible. Secondly, you ought to listen to the material you are learning, because words are not always pronounced according to the rules of reading. And finally, it's a good idea to study words before you go to bed.
1.The Kremlin is a museum under the open sky.
2.The population of Moscow is about 11 million people
3.Who created a unigue masterpiece?