基本信息
21.with all his attention_________ to his study, he didn’t notice my entering. a. given b. paid c. gotten d. taken 22.that tree, branches are almost bare, is very old. a. whose b. of which c. in which d. on which 23 the reason she didn’t come to my birthday is that her mother won’t let her. a. that b. which c. for which d. for what
