8. A solar eclipse ____ a portion of the Earth is engulfed in a shadow cast by the Moon which fully or partially
blocks sunlight.
(A) occurs
(B) occurs when
(C) that occurs
(D) which occurs
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統計: A(50), B(165), C(75), D(95), E(0) #2431787
統計: A(50), B(165), C(75), D(95), E(0) #2431787