Глагольная форма to be вставить (is, are,an)
1) Waterfalls___ the most splendid natural sights is the world.
2) Sally and i___ neighbours,
3) Dont open the window! Kevin___ already!!!
4)I ve got a lot of job this week, so I ___ very tired now.
5) look, mum! This dolphin___ watching us!

1) Waterfalls__are_ the most splendid natural sights is the world.2) Sally and i__are_ neighbours,3) Dont open the window! Kevin__is_ already!!!4)I ve got a lot of job this week, so I _am__ very tired now.5) look, mum! This dolphin__is_ watching us!