16. The service there was__________poor that we went to another restaurant down the street.
A)so
B) such
C)very
D) too
17. It was soon after the economic crisis________sales of e-business started to grow.
A)why
B)how
C)where
D) that
18.____________we receive your application, we'll send you an e-mail to confirm it.
A)Once
B)Whatever
C)Whether
D)However
19. Make a list of what you have to do and put the items____________order of importance.
A)on
B) in
C)for
D) about