86. The government should make smoking_______(非法的) in order to save lives.
87. ________ (统计数字) show that 50% of the new businesses fail in their first year.
88. With the passing of the so-called “end of the world”, things returned to ________ (正常) soon.
89. Usually what parents do i________ (影响) their children’s behavior in their later life.
90. Doctors are aiming to c________ (集中)more on prevention than cure.