I like to come to the library and choose books (Я люблю приходить в библиотеку и выбирать книгу)
National относится к одной стране, только к народу одной страны. International подразумевает две страны и более
1Have you ever been in Moscow?
2Has He ever tried National dish?
3Have they ever played chess?
4Have you ever gone to science Museum?
Yes of course, today. I helped my Mother . I washed all the dishes and washed the floor