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?
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?
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?
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.