8. _____ of sand can be seen on the beach from crabs that dig their homes underneath.
(A) Corals
(B) Hedges
(C) Jades
(D) Lumps
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統計: A(60), B(27), C(16), D(59), E(0) #2089958
統計: A(60), B(27), C(16), D(59), E(0) #2089958