Both Mary and Ellen,as well as Jan,_______ studying Chinese HistoryA.are B.is C.are being D.is being选哪一个?为什么?

Both Mary and Ellen,as well as Jan,_______ studying Chinese HistoryA.are B.is C.are being D.is being选哪一个?为什么? Both Tom and Mary (like) (play) football. Both Mary and Jane understands English.为何不是understand? Both mary and Jane like music.(改同意句) Both Tony and Mary want to be tennis ______(player) 这句话对吗?Tom and Mary both have won prizes.为什么不把both和have Mike and Mary are both nine years old.同义句：Mike ____ ____ ____ Mary. both and 后的谓语动词Both Tom and Mary speaks good Chinese 为什么要用both and,speaks可是第三人称单数,不是要用speak吗? John and Mary are friends and the both like classical music.改错 Both Mary and Kitty are my friends改为一般疑问句.是改为Are both MARY and Kitty my good friends?还是改为Are both Mary or Kitty my good friends? Mary and Alice _____good at Chinese .A、are all B、all are C、both are D、are both Mary and Kathy( )awake in their bedroom.A both are B are both C are all D all are mary tasted the two cakes,and said that she liked______of them(neither,either,both) Both Mary and her sister are good at ____(拉)the violin. Rose and Mary are both like swimming句子里的are要加吗 Both Ann and Mary are suitable for the job的意思? Both Lily and Mary are interested in dancing的否定句怎么改 both the presents are for you and mary.you can have either of them.