Question

2. Read the conversation and fill in the blank with if clause choosing from
the given alternative.
Harini : Suman, Scientists are practical people.
Suman : Yes. They work selfless.
Harini : If the Scientists had not discovered new things, people
have been happy and comfortable.
​

Answer 1

Wouldn’t have been happy and comfortable

Answer 2

Your question isn't written properly and i can't understand this typical words