Question

Fill in each blank with one word．

　　In order to learn a foreign language well, four things are necessary．Firstly, we must understand the language when we hear 　　1　　 spoken．Secondly, we must be able to speak it correctly．　　2　　, we must be able to read the language．Fourthly, we must be able to write it, using correct grammar．

　　There is no easy way to success 　　3　　 language learning．　　4　　 good memory is a great help, 　　5　　 it is not enough to memorize only rules．We must learn the language 　　6　　 using it, 　　7　　 is good advice for those who are beginners．We are not really learning the language 　　8　　 we are pleased with only the rules we have memorized．

Answer 1

答案：
解析：

it　Thirdly　In　A　but　by　which　if