Please select the correct set in the 4 options given, Multiple selections is not allowed.
I was ___ the piano when the doorbell ___.
She ___ writing an email when her computer ___.
We ___ ___ the project when the fire alarm went off.
___ was jogging in the park when he ___ over a root.
___ were setting up the tent when a sudden gust of wind ___ it down.
___ was ___ out the window when my teacher called on me.
She was ___ a portrait ___ her phone buzzed with a message.
We ___ baking a cake when ___ ran out of sugar.
___ was repairing his bicycle when ___ dropped a wrench on his foot.
___ were climbing the mountain when a storm ___ in.