4.Most of her spare time ______,she still kept on her research in the library.( 。
A.occupiedB.having been occupied
C.to be occupiedD.is occupied

分析 絕大部分空余時間都被占用了,她還是繼續(xù)在圖書館做調(diào)查研究.

解答 答案:A
題干句中有逗號分隔,沒有連詞,說明不是復(fù)合句,要用非謂語動詞;spare time與occupy之間是被動關(guān)系,要用過去分詞;過去分詞的完成式表達(dá)先于謂語的動作,句意表達(dá)的是她占用空余時間做研究,是同步的動作.故選A.

點(diǎn)評 過去分詞是非謂語動詞的一種,用法很靈活,分為簡單式done(表示與謂語同時或幾乎同時發(fā)生的動作);完成式having been done(表示先于謂語的動作).學(xué)習(xí)時,要把握其用法特征:表示被動和完成.同時還要注意區(qū)分現(xiàn)在分詞和不定式.

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