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举一反三
【单选题】Not until he promised to return it to me as soon as possible ____ my electronic dictionary to my classmate.
A.
had I lent
B.
did I lend
C.
I had lent
D.
I lent
【单选题】He has changed so much. Not until he walked to me ________ him. [ ]
A.
I recognized
B.
did I recognize
C.
didn't I recognized
D.
hadn't I recognized
【单选题】He should______be allowed to get up until he has completely recovered from his illness.
A.
in some cases
B.
in any case
C.
in case
D.
in no case
【简答题】Put the story in order. a where he learnt to read and write. b He stayed there until he was six, c When Tom was three, d and then he went to college. e After that, he went to s...
【简答题】数学小知识： “勾股定理”是指在一个直角三角形中，两条直角边的平方和等于斜边的平方．例如：两条直角边的长分别为3、4，则3 2 +4 2 = 5 2 ，即斜边的长为5． 已知图中两条直角边的长度，求出图中以斜边为直径所作圆的面积．
【单选题】I ______ until he told me to.
A.
started
B.
hadn't started
C.
didn't start
D.
would start
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