A. | learn | B. | learned | C. | will learn | D. | have learned |
分析 自從我開始學習這門語言以來,我已經(jīng)學了大約1600個英語單詞.
解答 答案:D
根據(jù)since we began to learn the language,可知應該用現(xiàn)在完成時態(tài).since we began to learn the language是現(xiàn)在完成時的標志詞.現(xiàn)在完成時態(tài)表示過去發(fā)生或已經(jīng)完成的動作對現(xiàn)在造成的影響或結(jié)果.或從過去已經(jīng)開始,持續(xù)到現(xiàn)在的動作或狀態(tài).本題屬于從過去已經(jīng)開始,持續(xù)到現(xiàn)在的動作或狀態(tài),現(xiàn)在完成時態(tài)的構(gòu)成:助動詞have/has+過去分詞,故選:D.
點評 本題主要考查動詞時態(tài),做此類題目要注意時間狀語、標志詞.根據(jù)上下文所表達的含義,做出判斷.同時更應記清時態(tài)的構(gòu)成形式.就本題而言,主要考查現(xiàn)在完成時態(tài).
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