英语完形填空帮忙写写To master a language,one must be able to ( ) and (

英语完形填空帮忙写写
To master a language,one must be able to ( ) and ( )the spoken language as well as to read and write,because( ) and ( )are becoming more and more important.
About writing,the most important thing is to make your idea in clear ( )language.
About reading,one must learn to ( )the meaning of the new words from the( ),and try to read ( ).
To learn a foreign language well,one must have a ( )konwledge,the konwledge of the life,history and geography of this ( ).

listen
speak
listening
speaking
written
guess
context
between the lines
thorough
country