17.A.Because he didn't try his best for the English exam. B.Because he didn't find a good way to learn English. C.Because he didn't pass the English exam.
14.Listen to the passage and complete the fowllowing sentences.(听短文,完成下列内容,每空限填一词.) When a writer finishes his writing or a teacher略his brothers略,they are happy beyond words.
13.What does Mary often help her mother do? A.She often helps her mother to cook meals. B.She often helps her mother with the washing. C.She often helps her mother to clean the house.