______ the best efforts of the desperate mother, thepowerless baby elephant seemed to have no hope of escaping, until a team ofconservation workers rushed to help.

Which word can’t describe (描述)appearance（外貌） —___________.

Ever since the Greens moved to the country a year ago, they________better health.[ ]

er the city, history and modernity come together to make _______ an essential place for tourists to discover.

What _________ to the building—It _________ when all the people were sleeping.