______ they grow they make sure that what is left in the ground after harvesting______ a natural fertilizer for the next year’s crop.
#85631
A
Whatever; become
B
Whichever; become
C
Whatever; becomes
D
Whichever; becomes
推荐题目
 There ______ a sports meeting in our school next week.
#44095
A
will be
B
will have
C
are going to be
D
is going to have
The number of students in our school   about 30 000 and  them study hard.
#86090
A
is;a large amount of
B
are;a number of
C
is;large amount of
D
is;a large number of