Question

preposition I was waiting - the mango tree ​

Answer 1

Answer:

๛ I was waiting on the mango tree.

# keep smiling ☺

Answer 2

Answer:

There are many possible prepositions...

I was waiting at the mango tree .

I was waiting beside the mango tree ​.

I was waiting against the mango tree ​.

Any of the above is correct!!

Hope it helps mate...