50 What is an instrument which is used to see things far away? _______
(A) Telescope.
(B) Television.
(C) Telegram.
(D) Telephone
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統計: A(1746), B(396), C(117), D(65), E(0) #248686
統計: A(1746), B(396), C(117), D(65), E(0) #248686