To make members of a team perform better, the trainer first of all has to know their ______ and weaknesses.
__________ by a greater demand of vegetables, farmers have built more green houses.
The flowers his friend gave him will die unless __________ every day.
Please remain __________ until the plane has come to a complete stop.
Jenny hopes that Mr. Smith will suggest a good way to have her written English __________ in a short period.
— Did Peter fix the computer himself?— He __________, because he doesn’t know much about computers.