问题补充:
Most people usually have less money at the end of the month than at the beginning.
A. which is
B. which was
C. they have
D. it is
答案:
A. which is
B. which was
C. they have
D. it is
解析:than引导比较状语从句,完整的从句为“than they have money at the beginning of the
month ”。