单项选择题A．entertain and advertiseB．educate and advertiseC．educate and entertainD．be informative and instructive

单项选择题A．positiveB．negativeC．optimisticD．pessimistic

单项选择题A．one dayB．two daysC．one weekD．two weeks

单项选择题______ was considered to be the greatest dramatist in the 18 century in British lime.

单项选择题Which of the following words can be used to connect two clauses in a coordinate sentence