She       some mistakes in her exercises the day before yesterday.
#36481
A
made
B
had made
C
has made
D
was making
推荐题目
The world _____ . Things never stay the same.
#38620
A
changes
B
is changing
C
was changing
D
will change
-Why does the river smell terrible? -Because the water_______.
#42170
A
was polluted
B
has been polluted
C
will be polluted
D
has polluted