Question

Помогите пожалуйста с английским языком!

Answer 1

2.He has been watching tv since morning.
3.He has discovered a new star.
4.It has done research in space for many years.
5.He has worked on orbital stations several times.

Answer 2

2 He has been watching TV since the morning.
3 He has discovered a new star.
4 Russia has already done research in space for many years.
5 He has worked on orbital stations several times.