阿摩線上測驗
54. 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(9), B(4), C(2), D(23), E(0) #490830
統計： A(9), B(4), C(2), D(23), E(0) #490830
