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統計： A(1), B(13), C(0), D(2), E(0) #1290238

詳解 (共 1 筆)

#1369257
Not knowing what to do, Ken asked his teacher for help.
Because he didn't know what to do, Ken asked his teacher for help.
=>將連接詞because省略,重複的主詞Ken省略,並將動詞didn't know 改為分詞,形成分詞構句
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