二、单项选择（共15题，每题1分，计15分）
16.You should learn to do some things ______ your own.
A. for B. by C. with D. on
17.My mother ______ my father when they were both 27 years old.
A. get married B. married C. married with D. married to
18.The old man lives ______ in a wooden house, but he doesn’t feel ______.
A. lonely; lonely B. lonely; alone C. alone; lonely D. alone; alone
19. What a pity! The film ______ for half an hour.
A. has started B. was on C. has been on D. starts
