not until this term__to realize how important this subject i
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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
选什么?为什么?
答案是B为什么?
A.he began
B.did he begin
C.has he begun
D.thath he has begun
选什么?为什么?
答案是B为什么?
/>not...until 表示直到.才.
当把not until 置于句首时,要倒装
He didn't realize how important the subject is to his future career as a diplomat.
原来的时态应该是过去时,表示以前的一个动作或状态,不该用完成式,
此处的this subject is 可认为是常识,真理.没必要用过去式.
当把not until 置于句首时,要倒装
He didn't realize how important the subject is to his future career as a diplomat.
原来的时态应该是过去时,表示以前的一个动作或状态,不该用完成式,
此处的this subject is 可认为是常识,真理.没必要用过去式.
I ()(not realize)low important English was until I went to c
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Not until i began to work did i realize how much time i had
解释“This is not how I am”
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26520: it is at this time that students realize how
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I didn't realize how much time I had wasted until I began to
英语句子的转换Not until I reached home did I realize that I had los