1．As the train was to pull out, her husband came running along and climbed ________.
A．abroad B．broad
C．aboard D．board
2．You can keep the book for a further week provided that no one else it.
A．understands B．requires
C．welcomes D．appreciates
3．Parents should actively urge their children to ______ the opportunity to join sports teams.
A．take charge of B．look out of
C．take advantage of D．approve of
