6. In the “Time capsule” activity, we promised to open the box after 10
years after covering it with _____ under a big tree.
(A)figure
(B) earth
(C) tower
(D) stream
答案:登入後查看
統計: A(19), B(66), C(19), D(30), E(0) #2877886
統計: A(19), B(66), C(19), D(30), E(0) #2877886