阿摩線上測驗
3. Some people install _____ panels on the roofs of their houses to use energy from the sun.
(A) solar
(B) wooden
(C) plastic
(D) digital
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統計： A(35), B(3), C(3), D(3), E(0) #3861635
統計： A(35), B(3), C(3), D(3), E(0) #3861635
