What should the people do to solve the f
题型:选择题
问题:
What should the people do to solve the food problem if they live in hilly areas ____ is hard to grow
crops?
A.where
B.when it
C.that
D.where it
What should the people do to solve the food problem if they live in hilly areas ____ is hard to grow
crops?
A.where
B.when it
C.that
D.where it