Question

without using and,but ,so join-It was very hot.I could not go out.

Answer 1

hey mate here is your answer
I could not go out because it was very hot
hope this helps you

Answer 2

Sentence Synthesis refers to the joining of simple sentences to make a new one. The result can be a complex or a compound sentence.

For example,

He was tired of playing. He went to rest.

Tired of playing, he went to rest.

It is very hot for me to be able to go out now.

Hope it  helps :)