单项选择题Before Smith went on vacation, he left ______ instructions for the painting of his apartment.
单项选择题Their methods were so ______ that they are still applicable today
单项选择题In the newspaper they denounced the government for its ______ spending of public funds.
单项选择题The high ______ of road accidents on the super high way is giving cause for serious concern.
单项选择题According to the ______ of the agreement, the money must be paid back in monthly accounts.