军考英语：易混英语词汇辨析：bad, badly

　　98. worth, worthy

　　二者均为值得，worth后接doing;

　　worthy后接to be done, of being done;

　　例：It is worth visiting. = It's worthy to be visited. = It's worthy of being visited.

　　99. bad, badly

　　bad 形容词，例：go bad

　　badly 副词，不好，但与need, want, require连用为“很，非常”，例：I need the book badly.

　　100. before long, long before

　　before long 不久以后;

　　long before 很久以前;

　　例：not long before = before long