96. deep, deeply　　

deep 具體的深，例：dig deep
deeply 抽象的深，深深地，例：deeply moved

97. aloud, loud　　

aloud 出聲地，例：read aloud 出聲地讀
loud 大聲地

98. worth, worthy　　

二者均為值得，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 形容詞，例：go bad
badly 副詞，不好，但與need, want, require連用為“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