题目

If you're studying English, the Language Study Fair this month will certainly interest you. The show is taking place between the seventeenth and nineteenth of May at the National Education Centre. It aims to answer all your questions about self-study, whatever your level.   Over 350 leading producers of educational materials will be present. There will be stands showing different types of self-study textbooks and talks by .educational speakers on the best ways to study yourself. You'll be able to see the latest computer programs, which can make studying English alone so much easier.   You ca爷爷去北京度假两个月，共62天，这两个月可能是________月和________月，也可能是________月和________月。