I can't _ him in the knowledge of wild plants．As a matter of fact, he' s an expert．

The babysitter was________by the demands of her young charges and she just wanted to lie on bed and have a rest.

．________ several important decisions based on emotion instead of reason, he felt bitterly regretted.

I think you are at the end of your ________ this time and need to turn to Pro. Smith for advice.

You can’t park here, sir. It is ____ for the ambulances only.