Unit 2This is my sister,单元易错专题,典例】Those are his three friends. 【精讲】这四个单词都是指示代词。this (这个), that (那个)是单数形式；these(这些), those (那些)是复数形式。通常this/these指离说话人较近的人或物；that/those指离说话人较远的人或物。指示代词既可以单独使用，也可以与名词连用,易错点一：this, that, these与those的辨析,精练】 1Tom, _ is Sally. _ is my good friend. Nice to meet you, Sally. Ahe, This Bthis, She Cit, She Dshe, This 2Are these your friends? Yes, _ are. AthisBthatCtheseDthey,B,D,3_ dogs are yellow. _ are my dogs. AThose, They BThey, Those CThat, Those
