4 Engineers built a canal and implemented irrigation systems to transform deserts into _______ and productive land.
(A) greasy
(B) fertile
(C) magnetic
(D) precise
答案:登入後查看
統計: A(3), B(56), C(1), D(4), E(0) #3429308
統計: A(3), B(56), C(1), D(4), E(0) #3429308