阿摩線上測驗
32. What does a "fairy ring" in the last paragraph refer to?
(A) Circled tree trunks.
(B) Connected root systems.
(C) Insect holes around an old tree.
(D) Young trees surrounding a mature tree.
答案：登入後查看
統計： A(0), B(0), C(0), D(1), E(0) #3354419
統計： A(0), B(0), C(0), D(1), E(0) #3354419
