阿摩線上測驗
20.My brother had an accident while____ how to ride a bicycle.
(A)learned
(B) was learning
(C) had been learning
(D) learning
答案：登入後查看
統計： A(198), B(452), C(268), D(1895), E(0) #1473607
統計： A(198), B(452), C(268), D(1895), E(0) #1473607
詳解 (共 1 筆)
MyPrince
#2388539
★榜首的解題★：
20.My brother had an accident while____ how to ride a bicycle.
(A)learned
(B) was learning
(C) had been learning
(D) learning
上句原句是 My brother had an accident while he learned how to ride a bicycle.
看出來是減化後的句子，可見是考分詞構句，分詞構句的減化方法：
❶主詞相同, 就省略主詞,。
❷把動詞改成ing 變成分詞構句。
就變成→ My brother had an accident while learning how to ride a bicycle.
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