问题详情：
with the help of the Internet, it’s ______ to send an e-mail than a regular letter.
A quick B more quickly C much quicker D much more quickly
【回答】
C. 此题考察形容词比较级的用法。句中的 “than”暗示了此句要用比较级；并且此题还考察了形式主语的用法。原句应为 “To send an e-mail is _________ than a regular letter.” ，故在空格处需填入形容词，故只有C符合。
知识点：形容词比较级
题型：选择题
