3．Jessica had intended to go bungee jumping，and on second thoughts，she        the plan．（　　）
A．was cancelingB．cancelsC．canceledD．has canceled

分析 Jessica本來打算去蹦極，經(jīng)過再三考慮，她取消了這項(xiàng)計(jì)劃．

解答 答案：C  由于"Jessica had intended to go bungee jumping．Jessica 本來打算去蹦極"使用了過去完成時，通常過去完成時對應(yīng)的時態(tài)是一般過去時．因此"she        the plan"的空白處要用一般過去時．故B和D不正確；A 是過去進(jìn)行時，表示過去正在進(jìn)行的動作；根據(jù)"on second thoughts經(jīng)過再三考慮"結(jié)果應(yīng)該是"她取消了這項(xiàng)計(jì)劃"，而不是（過去）正在取消計(jì)劃．故選C

點(diǎn)評 本題考查的是一般過去時的用法．要注意總結(jié)它與過去完成時的區(qū)別．一般過去時只表示過去發(fā)生的動作或狀態(tài)；過去完成時表示過去某時間之前發(fā)生的動作或狀態(tài)； 在沒有明確的表示過去的時間狀語作標(biāo)志時，謂語動詞動作發(fā)生的時間先后須依據(jù)上下文來判斷：先發(fā)生的用過去完成時，后發(fā)生的則用一般過去時．

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