Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
The room was completely dark and I fumble （ ） for the door. (blind)
【正确答案】：BLINDLY
【题目解析】：
主语为I，谓语 fumble 意为摸索，空处应该填副词，来修饰谓语动词fumble。blind的副词为blindly。句意：这个房间是全黑的，我胡乱地摸索着走向门。