Question

4) Of scientists develop new forms of energy, the world______________ a better place to live. affirmative form - to be)​

Answer 1

Scientists develop new forms of energy, the world is a better place to live.

(affirmative form - to be)​

SUBJECT TO BE SHORT FORM

I                 am         I’m

You                 are        You’re

He                 is        He’s

She          is        She’s

It                is        It’s

We                 are        We’re

You          are        You’re

They         are        They’re