由于前有a piece of ，故用名词形式advice，advice为不可数名词，故用advice

【题目】语法填空

In order to know a foreign language thoroughly, four things are necessary. Firstly, we must understand the language when we hear ___【1】__ spoken. Secondly, we must be able to speak it correctly with confidence and without hesitation. __【2】___, 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 are grammatically correct.

There is no easy to succeed ____【3】____ learning a language. ___【4】_____ good memory is of great help, but it is not enough only __【5】___(memorize) rules from a grammar book. It is not much use learning by heart long list of ____【6】____(word) and their meaning, studying the dictionary and so on. We must learn by using the language. If we are ___【7】____(satisfy) with only a few rules we have memorized, we are not really learning the language“Learning through use”is a good piece of _【8】___(advise) for those ___【9】___ are studying a new language. Practice is important. We must practice speaking and ____【10】___(write) the language whenever we can.