Speaking English is a piece of cake.请翻译此句并解释为什么不用speaking 要用ing形式,为什么不用speak.

Is Canana( ) English-speaking country Is Canana( ) English-speaking country Australia is（）country.A.an English-speaking B.a speaking-EnglishC.a speaking English's Hello1 this is Maria speaking.english NEW Zealand is a/an country中间是speaking englishspoken english english speaking english spoken Know a lot adout English is different from speaking English. It is no good learning English without speaking English. She is good at speaking English 改同义句 She()()() speaking English速回 Australia is (an English-speaking) country.() 中能换成 a speaking-English 或 a speaking Englishs ?为什么？ hear sb speaking EnglishAmerica is an country,where you can hear American .A.English-spoken,English speakingB.English-speaking,spoken EnglishC.English-spoken,speaking EnglishD.English-speaking,speaking English My English is not good,but I know Australia is an country.A.spoken; English-spoken B.speaking; sspeaking; English-speaking C.spoken; English-speaking spoken English/English speaking/speaking English区别 How to speaking good English ?I'm really enjoy English .speaking good English is my goal in my life . is,at,Henry,good,English,speaking(.)连词成句 （Speak/Speaking) English is very important to us.用哪个 practicing speaking English is very important.还是practice 翻译'speaking English is a piece of cake' Is Canada ____ English speaking country?an/a/the//