Question

look! somebody .........( break) that window

Answer 1

breaking is ur answer

Answer 2

Heya!

here is your answer!

look! somebody .........( break) that window.

Well, as there isn't any tense mentioned, the answer can differ, like -

look! somebody is breaking ( break) that window.

look! somebody broke ( break) that window.

look! somebody has/had broken ( break) that window.

Hope this helps!!