Prepare 6 unit 16 grammar 2

Choose the right words to complete the sentences.

When I arrived home, my sister ___________ supper.

It________ when I walked home from school last night.

____ you working while we were watching football last night?

When the teacher walked into the room, everybody _________ hard.

I ______ climbing a tree, when I fell.

What were you _____when I phoned you last night?

They _______ playing basketball yesterday afternoon, they were playing baseball.

While we __________ tennis, Pedro hurt his leg.