With ____ leaves ____ in the earth every year, the soil becomes richer and richer.
#95286
A
falling; burying
B
fallen; buried
C
fallen; burying
D
falling; buried
推荐题目
Did you have any difficulty _____ his house?
#94176
A
on finding
B
to finding
C
for finding
D
in finding
To succeed in a scientific experiment _____ .  
#98179
A
carefulness is need
B
carefulness is one needs
C
one needs to be careful
D
one need being careful
________ abroad for a tour can be a great honor for an ordinary person like me.
#92013
A
Taking
B
Taken
C
Being taken
D
Having been taken