问题补充：
单选题Lucydoesherhomeworkvery________.Sheis________thanLily.A.carefully, much more carefulB.carefully, much carefullerC.careful, many more carefulD.careful, a little carefuler
答案：
A解析very后接形容词或副词的原级，本题第一空因为是修饰动词的，故要副词，后一空显然要用比较级，careful的比较级为more careful，可以用much来修饰，故选A
