1.You must learn to____your work.(prior) 2.Some athletes take drugs to improve their____.（perform) 3.Exercise has become part of my____routine.(day) 4.Rebecca always_____in languages at school.(excellence) 5.The letters have been placed in_____piles.(organize) 6.The peace____was welcomed by both sides.(initiate) 7.This problem calls for prompt_____from the government.(act) 8.The virus attacks______cells in the brain.(specify)
