39. ___________ a proper dining etiquette to wait to eat until everyone has been served some food.
(A) It is
(B) That is
(C) What is
(D) Which is

答案:登入後查看
統計: A(1221), B(336), C(109), D(63), E(0) #807176

詳解 (共 3 筆)

#1209763
回1F
It is (adj) to V-r是「虛主詞」句型
it (虛主詞)代表後面的 to V-r(不定詞引導的片語)
所以 that is 不能使用(that 是指示代名詞,無法當虛主詞喔!)
47
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#1166813
etiquette禮儀
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#1154124
請問為什麼不能用B
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私人筆記 (共 1 筆)

私人筆記#580437
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