阿摩線上測驗
25. There are several ways to __________ the Sun, and for yourself, the easiest and safest is to project it by building your own pinhole camera.
(A) break
(B) catch
(C) observe
(D) spy。
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統計： A(5), B(73), C(103), D(2), E(0) #2236526
統計： A(5), B(73), C(103), D(2), E(0) #2236526