Question

If he _______ to the teacher attentively in the past year, he _______the answer to the question now.

A．had listened; would know	B．listened; knew
C．listens; knew	D．has listened ;knows

Answer 1

A

試題分析:考查混合型虛擬語(yǔ)氣。句意：如果在過(guò)去的一年里他認(rèn)真聽(tīng)老師講課了，那么他現(xiàn)在就能夠知道這個(gè)問(wèn)題的答案了。從in the past year 判斷前面條件狀語(yǔ)從句是對(duì)過(guò)去進(jìn)行假設(shè)，應(yīng)該用過(guò)去完成時(shí)；而后面主句中的now則提示應(yīng)該是對(duì)現(xiàn)在的虛擬，應(yīng)該用would +動(dòng)詞原形，所以整個(gè)句子是混合型的虛擬語(yǔ)氣，正確答案為A。