23．—Did you hear Tom was scolded for his spelling mistakes in his English composition?
—Yes, but a more careful person _____ so many mistakes．
A．wouldn’t make B．needn’t have made
C．shouldn’t make D．wouldn’t have made
24．Around 15,000 officials gathered in Copenhagen, trying to map out an effective strategy _____ the battle against climate change．
A．to win B．will win C．winning D．won
25．A new study shows anger may help people reduce the negative impacts _____ stress and help you become healthier．
A．in B．of C．on D．at
