Question

Q Fill in the blanks with appropriate prepositions
1 The dog saw it's own reflection
____in the mirror and started barking.​

Answer 1

Answer:

you have just wrote the answer.

Anyway the answer is "in".

NB: It won’t be " on" because the image appears to have depth.

Answer 2

Answer:

in is the ans

Explanation:

The dog saw it's own reflection _in_ the mirror and started barking