( )16. The man is very rich. He has __________ airplane.
A: a B: the C; an D: /
( )17. How do you learn English?_______.
A .For the people B. By working with my friends
C .I don’t like English D. We like English
( )18 I used to go to sleep ________ my bedroom light ________.
A. with, open B. with, on C. and, open D. in, on
