填空题males ∧ preferred—who

填空题close ∧ 40—to

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