b
not...until 表示直到.才.
當(dāng)把not until 置于句首時(shí),要倒裝
He didn't realize how important the subject is to his future career as a diplomat.
原來(lái)的時(shí)態(tài)應(yīng)該是過(guò)去時(shí),表示以前的一個(gè)動(dòng)作或狀態(tài),不該用完成式,
此處的this subject is 可認(rèn)為是常識(shí),真理.沒(méi)必要用過(guò)去式.
not until this term__to realize how important this subject is to his future career as a diplomat
not until this term__to realize how important this subject is to his future career as a diplomat
A.he began
B.did he begin
C.has he begun
D.thath he has begun
選什么?為什么?
答案是B為什么?
A.he began
B.did he begin
C.has he begun
D.thath he has begun
選什么?為什么?
答案是B為什么?
英語(yǔ)人氣:512 ℃時(shí)間:2020-07-10 00:48:23
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