______ 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
Four days __________ enough for us. We still need ________ two days.
#43509
A
isn’t, another
B
aren’t, another
C
isn’t, more
D
aren’t, more
There _______plenty of milk in the fridge.
#44159
A
are
B
were
C
is
D
be