To make members of a team perform better, the trainer first of all has to know their ______ and weaknesses.
--Has Peter handed in his paper yet?---I’m not sure. He _______ on it last week.
The biggest problem for most plants, which ______ just get up and run away when threatened, is that animals like to eat them.
---Have you called Mr Johnson’s office?---Yes. He ____back before tomorrow noon. So he can attend our meeting on time.
Word comes _____ free books will be given to ______come first in this book fair.
The fire _______ before the fire-fighters arrived.