题目内容：

阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。

In order to know 1. foreign language thoroughly, four things are necessary. Firstly, we must understand the language when we hear it 2.(speak). Secondly, we must be able to speak it ourselves 3.(correct) with confidence and without hesitation. Thirdly, we must be able to read the language, and fourthly, we must be able to write it. We must be able to make sentences that 4. (be) grammatically correct.

There is no easy way 5. success in language learning. A good memory is a great help, 6. it is not enough only to memorize rules from a grammar book. It is not of much use learning by heart long lists of words and 7.(they) meanings, studying the dictionary and so on. We must learn by using the language. If we are satisfied with only a few 8. (rule) we have memorized, we are not really learning the language. “Learn through use” is a good piece of advice for those 9. are studying a new language. Practice is important. We must practise 10.(speak) the language whenever we can.