No matter how frequently ________, the works of Beethoven still attract people all over the world.
-- When do you need to pay the balance?-- ______ December 31.
I think ______ information of this kind is help when you look for a job.
25. The doctor recorded the ______ of the old man’s death as heart failure.
24. The reference book is of great value. ________ can be enjoyed from it until you have a deep understanding of it, however.
23. Some extra office equipment, including two desks and two computers, __________ to be ordered next week.