問題補(bǔ)充：
單選題
I would have come earlier, but I ________ that you were waiting for me.A.hadn’t knownB.didn’t knowC.would have knownD.haven’t know
網(wǎng)友答案：
熱心網(wǎng)友 1樓
B解析本題考查時(shí)態(tài)。題中有隱含虛擬語氣。If I had known that you were waiting for me, I would have come earlier.可以知道是對(duì)過去事實(shí)相反的虛擬語氣，故用一般過去時(shí)態(tài)。選B。
