单项选择题
A. Cynthia has the experiences of working as a waitress. B. Cynthia has worked in her present hotel for three years. C. It is April now. D. Cynthia will probably take her university courses from Monday to Wednesday.
A. 9 days B. 19 days C. 6 months D. 3 months
A. seem to be of no use B. can help people get a better comprehension of the language C. are easy to master D. have gone beyond our mother’s reach