Computer must be of great use to ____do the scientific resea
Computer must be of great use to ____do the scientific research. Computers must be of great use to ____do the scientific research. Computers must be of great use to ____doing scientific research. 分别填什么?为什么?
Computers must be of great use to(Whoever)do the scientific research. 从句缺少主语,所以是Whoever. Computers must be of great use to (those)doing scientific research. doing the scientific research属于现在分词短语作定语修饰those.