1. _________ water to grow is well-known.
 A. That trees need      B. These trees need
 C. That tree needs      D. Trees need

2.It’s said that the old lady died ________.
 A. happily  B. happy  C. happiness  D. of happiness

3.He began to __________ because every means _______ tried already.
 A. lose heart; has been   B. lose heart; had been
 C. lose his heart; was    D. lose his heart; had