Prepositional phrases

Giant pandas rarely breed ______ captivity.

My car's not worth much - _____ most $50.

English people ______ general are very friendly, _____least that's what I've heard.

Lizzy is terrible _____ singing. She sings _______ tune all the time.

Oh, what's the word! It's ______the tip ________ my toungue.

Thank you for coming, Mr Baker. We'll be contacting you _____ due course.

Most English people earn _____ average 220 pounds a week.

It's my own fault. I took him ____ his word when he said he wouldn't try to run away.

The young inexperienced teacher tried _____ vain to control his noisy class.

This book is _____ far the best one he's ever written.