单选题 Colleges and universities usually give diplomas or certificates to students who complete course requirements {{U}}adequately{{/U}}.
  • A. responsibly
  • B. sufficiently
  • C. patiently
  • D. successfully
【正确答案】 B
【答案解析】[解析] 本题考查副词，划线单词adequately的意思是“足够地”与sufficiently意思相同，故本题选B。