_______unemployment and crime are high, itcan be assumed that the latter is due to the former.

Ronald Amundsen is considered to be one of the greatest ________ in history because he was the first man to reach the South Pole(南极).

The captain as well as his team interviewed shortly after they won the gold medal．

Excuse me. Are these Mary’s exercise books—Sorry. They are _______ exercise books. _______ are on the teachers’ desk.

______ he got ready to leave home, his parents came tohis home.