18. The greater _____ distance, the weaker the gravitational
force.
(A) of
(B) the
(C) is the
(D) is of the
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統計: A(51), B(243), C(74), D(27), E(0) #217927
統計: A(51), B(243), C(74), D(27), E(0) #217927
詳解 (共 3 筆)
#1340984
http://englishwizard.mysinablog.com/index.php?op=ViewArticle&articleId=2469261
6
0
#1253955
距離越大,引力越弱
5
0