With Shanghai World Expo drawing near, volunteers are making use of every minute to _______ their foreign language because language volunteers must pass a written test and an interview.
________, the boy couldn't enter his house.
Time________, I can have done it better.
_______the exam, the boy was punished by his father.
________hard before, Tom is afraid of failing in the exam.
The brave man died,________ his young wife nothing but a________ cottage.