问题补充:
The farmers were sure that fresh water lay in the earth, so they dug to find
it.
A. deeply, deeply
B. deep, deeper
C. deeply, deeper
D. deep, more deeply
答案:
A. deeply, deeply
(答案→)B. deep, deeper
C. deeply, deeper
D. deep, more deeply
解析:可联系答.案.网客服索取。