Of the three boys, Tom worked ____A. harder B. more hard C. hardest D. most hard

问题描述:

Of the three boys, Tom worked ____
A. harder
B. more hard
C. hardest
D. most hard

C
3个人比较当然是*

C

C
3人比较用*

选择C。应为是3个,用*。hard的*是hardest

C.hardest
有三个人,harder是比喻两者之间,hardest为最.