We stayed in the city for more than a month .In the morning we played and in the afternoon for tutoring . In the evening we went to the park. To me there really fun . Museums and much more . Souvenirs bought very much . I love summer.
1. если конкретно перевести ваше предложение, то здесь нельзя использовать present simple, поэтому my sister is dancing now
а если "моя сестра танцует", то my sister dances
my sister has been dancing since 4
2. I write poems (а вот здесь present simple)
I have been writing poems since my childhood
3. my grandma is sleeping right now (опять же, перевожу чисто ваше предложение), если в present simle, то my grandma sleeps
my gradma has sleeping since 5 o'clock
1.The biggest creation* of humankind is Internet.
2.Now, I'm writing* an answer for a question.
3.Being a nice writer* isn't easy.
4.I recognized* her by her pleasant voice.
5.I usualy spend my holidays* in Dubai :)
6.I'm fond of taking animal's photos*