---Many species are now in danger of dying out.----True.Measures should be______to protect them right now.
To her disappointment, what she had devoted herself to ________ in nothing but failure.
Give me an undisturbed hour and I ________ the work Tom has left unfinished.
Lucy has changed a lot since she got her new job. Recently she ________ her work quite well.
If you ________ to their home, remember to bring a small gift.
—Oh, God! Somebody ________ the cup. —It wasn't me. I didn't do it.