18. When only a few sellers ____, a situation of monopoly will take place.
(A) being in close competition
(B) to be in close competition
(C) are in close competition
(D) in close competition

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統計: A(62), B(19), C(309), D(21), E(0) #1597068

詳解 (共 2 筆)

#4854179

原句:When only a few sellers are in close competitiona situation of monopoly will take place.

  1. 時態:不同於假設語氣,條件語氣是有可能發生的事實,所以條件子句會用「現在式」,主要子句用「語氣助動詞 + 現在式」
  2. 減化:因為主要子句和副詞子句的主詞不同,所以減化時會保留副詞子句的主詞而形成獨立片語,此時be動詞可選則省略或改寫為being,但從屬連接詞when一定要省略

要改成: when Only a few sellers (being) in close competitiona situation of monopoly will take place.

因為題目把when留下,所以只能選沒減化前的(C)

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#3428821
When~為時間副詞子句,空格必須具有動...
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