With a relative pronoun or relative adverb:Nucleic acid testing

分类: 英语语法(00831) 发布时间: 2024-08-22 11:42 浏览量: 3
With a relative pronoun or relative adverb:
Nucleic acid testing is by far the single most effective means by ______ to find those infected by the virus.
【正确答案】:which