In order to know a foreign language thoroughly(完全地),four things are necessary. First, we must understand the language when we 1 it spoken. Secondly, we must be able 2 it ourselves correctly 3 confidence(自信) .Thirdly, we must be able to write it.We must be able to 4 that are correct In grammar. There is no short way 5 language learning. A good memory(记忆) is a great help, but it is not enough only to memorize the rules from a grammar book.I t is no much use 6 by heart long lists(一览表) of words and their meanings, 7 the dictionary and so on. We must learn 8 the language. If we are pleased 9 a few rules we have memorized, we are not really learning the language. We must"Learn through use”. Practice Is important.We must practise 10 the language whenever(无论何时) we can.