Which animal is (friend) to people?括号内填入正确形式

Which is ( ) ( ) animal补充 Which letter is an animal?快答啊 Which letter is animal?的意思 Whichanimalis part of a computer which animal do you like best?=which is( )( )favourite animal? Which animal is the friend ofWhich animal is the friend of human beings?是什么意思 which of the 26 letters is a kind of animal Which animal is the best runner?用英文回答. which animal is the biggest in the sea? or,animal,is,elephants,bigger,which,bears?连词成句 which of the following is NOT an animal Fri, which animal can save people in the sea which animal is the biggest in the world用英文回答 英语谜语：1.Which letter is an animal?____ 2.Which letter is a drink?_____ which letter is a drink and which letter is an animal Which is your favourite animal?orWhat is your favourite animal?这两个问句哪个是正确的呢?问什么 Which animal is the best runner?可以用what代替which 为什么? Is he free /fri:（翻译）