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3. Tom        a new computer program recently, but I don' t know when he' 11 finish it.(design)

據說Tom最近在設計一種新的電腦程序,但我不知道他什么時候完工。

3. is said to have been designing考查不定式的時態。后半句暗示"設計"這一動作還在進行,故用不定式的現在完成進行式。現在完成進行時,表示從過去開始的一個動作一直持續到現在,并且還在進行。

題目來源:高考丟分題英語 > Unit 5 Meeting your ancestors

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