21. Not until the early years of the 19th century ______ what heat is.
(A) man did know
(B) did man know
(C) didn’t man know
(D) man knew
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統計: A(291), B(2185), C(472), D(181), E(0) #2107173
統計: A(291), B(2185), C(472), D(181), E(0) #2107173
詳解 (共 5 筆)
#4016446
反正就是
前面一句句首Not until...,____.
後面的那句要倒裝就是了!
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#4325021
Not until 放句首的時候,後面的句子要倒裝,也就是說如果如果句子含有 be 動詞的話,則將 be 動詞與主詞位置對調;原先的句子有一般動詞,則要在主詞前面加上助動詞 do / does / did。
原句:The man didn’t know what heat is until the early years of the 19th century.
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#3817485
not until 直到...才...
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0