1)The first step is to make a _____(type)of invention, to see if it works.
2)A crowd of ____(look)gathered to watch the late-night show.
3)Picasso is ____(doubt)one of the greatest artists of all times.

1) The first step is to make a type of invention, to see if it works.

2) A crowd of looking gathered to watch the late - night show.

3) Pisasso is doubt one of the greatest artists of all times.

Вроде так