[单选] Not until I began to work ________how much time I had wasted．

A . didn’t realize
B . did I realize
C . I didn’t realize

found。 worked。 owned。 Have you considered__________our SOil a big gift since he won the race? sending。 to send。 send。 I would like to study math in college__________my brother hate it very much． and。 though。 while。 made。 to make。 to be made。 The change of weather put all end ___________ their party the garden． of。 in。 to。 Not until I began to work ________how much time I had wasted．

参考答案：

● 参考解析

B 【解析】本题考查句子的部分倒装结构。当not…until置于句首时，句子要使用部分倒装，即将谓语的一部分如助动词或情态动词放在主语之前。如果句中的谓语没有助动词或情态动词，则需添加助动词do、does或did，并将其置于主语之前。本句正常语序为：I didn’t realize how much time I had wasted until I began to work．

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[单选] Not until I began to work ________how much time I had wasted．

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