After the heavy snow many students helped to clear away the snow in our school.A. willin

问题补充：

After the heavy snow, many students helped to clear away the snow in our school.

A. willingly

B. sincerely

C. properly

D. calmly

答案：

(答案→)A. willingly

B. sincerely

C. properly

D. calmly

解析：考查副词，A. willingly自愿地，B. sincerely真诚地，C. properly适当地， D. calmly冷静地，句意是：大学之后，很多学生自愿帮助学校清除雪。选A。