What do you know about whaling? Why are whales hunted​

1) I (am listening) very attentively but I (do not understand) what he (is saying)
2) We (are doing) this exercise now but we (have not finished) it yet
3) Look! Ada (is smiling). She must be in a good mood.
4) - Have you ( bought) the textbook? - No, I am still (looking for) it
5) As a rule I (do not  read) detective stories but this week I (am reading) one and I liked it.
6) We occasionally ( go) to the theatre but we have never ( been) to the Bolshoi Theatre.
7) Tomorrow we (leave/are leaving) at 7 a.m.
8) The children are very quiet. Go and see what they (are doing). I`m afraid they (have broken) something.
9) Man has already ( made) his first steps towards the stars.
10) Don`t go out. The rain (has not stopped) yet and a strong wind (is blowing).