Question

—I ___________ a science fiction from the library．
—Really ? How long ________ it _________

A．was borrowed，has been kept	B．have borrowed，has been kept
C．borrowed，was kept	D．lent，has kept

Answer 1

B

B 句中沒(méi)有明顯的指過(guò)去的時(shí)間，用現(xiàn)在完成時(shí)，“我買了一本科幻小說(shuō)”；現(xiàn)在完成時(shí)與一段時(shí)間連用時(shí)，要用延續(xù)性動(dòng)詞，buy要轉(zhuǎn)換為keep“保存”�！氨槐４妗弊g為have been kept，被動(dòng)語(yǔ)態(tài)的完成時(shí)。