21. Katy and Sandy live in __________ town， and they both get __________ e—mail a day。（05 包头）A. the； aB。 the； anC。 不填；anD. 不填；the11。 In order to make it clear， I must go up to __________ second floor and ask him __________ second time。(05 呼和浩特）A。 t...

时间:2025-04-10 16:16栏目:高等教育