16. The new power station is reported ________ within three years.
A. to have completed B. to have been completed
C. having been completed D. to complete
17. ______ you have any further needs and suggestions with this machine, contact your counselor for advice.
A. Would B. Should C. Could D. Might
18. You should follow up to _____ your account has actually been closed.
A. ensure B. entitle C. enact D. enforce
