单项选择题
A. fraud
B. blackmail
C. bribery
D. compensation
单项选择题 The ink has faded with time and so parts of the letter were______.
单项选择题 Pupils often want to sit next to their particular friend and many classroom activities involve moving about, but even relatively small alterations can make()to the visual comfort of pupils with sight defects.
单项选择题 Tom could hardly()his excitement as he knew that he had made a real discovery.