pigs are usually in dirty water or mud .mud can ____insects
7个回答

选择KEEP OFF

KEEP FROM是直接加上去DOING STH

KEEP OFF可以

比如

They lit a fire to keep wild animals off.

他们燃起篝火防止野兽接近.

PREVENT FROM,是PREVENT SB FROM DOING STH OR STH..

是避免的意思,可这里不该这么用.

请选择我,一定是对的,)