---______ the farmers discovered the ent
题型:选择题
问题:
---______ the farmers discovered the entrance to the secret cave in the valley?
--- Totally by chance.
A.When was it that
B.How was it that
C.How it was that
D.When it was that
---______ the farmers discovered the entrance to the secret cave in the valley?
--- Totally by chance.
A.When was it that
B.How was it that
C.How it was that
D.When it was that