It is widely accepted that young babies learn to do things because certain acts lead to________.
—Did the book give the information you needed? —Yes. But _________ it, I had to read the entire book.
. He is very popular among his students as he always tries to make them __________ in his lectures.
The children went home from the grammar school, their lessons __________ for the day.
. __________ by a greater demand of vegetables, farmers have built more green houses.
. The flowers his friend gave him will die unless __________ every day. A. watered B. watering B. water D. to water