4.12 Are these red marks in the picture ___ to be our potential markets?Are these red marks in the picture ___ to be our potential markets?A.mean B.meant C.to mean D.being meant请说明理由,

Are these apples red?改为同义句.Are these ＿ These apples are red的一般疑问句 These pencils are red.变一般疑问句. are these apples red?改为同义句 These apples are red的否定句 These are red apples.改为感叹句 Are these red tomatoes yours?《肯定句》 These red 【 】(shoe/shoes)are thity dollars these are red balls 同义句 are these blue books ______?no,my books are red These pencils are red ,and - - - -e pencils are green. These pencil are red.（变为一般疑问句） these red socks are kates变一般疑问句 these pens are red怎样变特殊疑问句 These apple are red.变成疑问句加回答 These red socks are Kate's变一般疑问句 (---)are these schoolbags?They're green ,yellow ,blueand red. Are these red apples yours?(改为肯定句)