Artists use caricature to distort the human face or figure for comic affect, __1__while at the same time capturing an identifiable likeness and suggests the essence __2__of the personality or character beneath the surface. The humor lies in the fact __3__the caricature is recognizable, and yet exaggerated.
From their origin in Europe as witty sketches, caricature grew through __4__the eighteenth and nineteenth century, becoming enormously popular in __5__the United States early in this century. In 1920s and 1930s especially,
this lively form of illustration was appeared in newspapers and __6__magazines throughout the country. The caricaturists in this era drew his __7__portraits of important figures primary to entertain. In spirit their work was __8__close to the humor of the fast-developing comic strip and gag cartoon than to the __9__string of political satire. Their subjects were more often amusing than offended __10__by amiable attacks.
2 将suggests改为 suggesting,这是一个以while引导的从句，其中suggest应该与capturing并列。
7 将his改为their,这里指代复数名词 the caricaturists
10 将amusing改为 amused,主语subject（受攻击的人）和amuse的逻辑关系是动宾关系，应使用过去分词形式。