单项选择题
Most psychologists deeply believe that it is just（）difficult to change a person's way of thinking as it does to rectify his deep-rooted habits.
A．as B．than C．so D．more
单项选择题 The harder you work, the（）likely you are to qualify as a doctor by the time you graduate.
单项选择题 I was（）busy looking for the recruitement ads to pay attention to the other news in the newspaper.
单项选择题 I go to the horse races often, but I only bet（）
