单选题 In order for one to achieve the desired results in this experiment, it is necessary that (he) (work) as (lastly) (as) possible.
  • A. he
  • B. work
  • C. lastly
  • D. as


【正确答案】 C
【答案解析】as fast as possible意为“尽可能快地”，其中fast既有形容词词性也有副词词性，故 lastly改为fast。