根据各小题Ａ句的意思完成Ｂ句，使两句的意思基本相同。每空限填一个单词。 小题1:A: His friend didn't know what he should do. B: His friend didn't know do. 小题2:A: What was wrong with the old man？ B: What the old man？ 小题3:A: He found it was not easy to sleep. B: He found to sleep. 小题4:A: He went to bed at twelve last night. B: He go to bed twelve last night 小题5:A: She was worried and her friend was worried, too. B: She was worried and her friend. 小题6:A: She always makes me happier when I’m unhappy. B: She always me when I’m unhappy.