A. | sing | B. | sings | C. | singing | D. | is singing |
分析 聽(tīng)!她正在教室里唱歌.
解答 答案:D 本題考查時(shí)態(tài)辨析.根據(jù)句中l(wèi)isten可知時(shí)態(tài)是現(xiàn)在進(jìn)行時(shí),構(gòu)成 是主語(yǔ)+be+doing,主語(yǔ)是she,be動(dòng)詞用is,sing的現(xiàn)在分詞是singing,故選擇D.
點(diǎn)評(píng) 本題考查時(shí)態(tài)辨析.做此題目可根據(jù)句中的時(shí)間狀語(yǔ)或句中的動(dòng)詞形式.也可根據(jù)語(yǔ)境,判斷時(shí)態(tài),從而選出正確的形式完成此類(lèi)題.
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