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I had persuaded I had persuading I have to persuade I have persuaded
I have been have I been did I go I went
fi(X)=min{fi-1(X)，fi-1(X)+pi} fi(X)=max{fi-1(X)，fi-1(X-Wi)+pi} fi(X)=min{fi-1(X-Wi)，fi-1(X-Wi)+pi} fi(X)=max{fi-1(X-Wi)，fi-1(X)+pi
to have finished to finish to be finishing to have been finished
in the English exam.A.So I have So have I So I do So doI.
By all means. You said it. Allow me, sir. Out of the question.
Yes, I do No, I haven’t No, I don’t Yes, I have
So I do. So do I. So I have So have I.
I have been have I been did I go I went
So I do. So do I. So I have So have I.
a great many of a great many a great deal of much
Yes, I do No, I don‘t Yes, I have No, I haven‘t
What a great progress What great progress How a great progress How great progress
a great deal of; a lot of a great many; a lot a large number of; lots of plenty of; a lot of
witnessed happened took place came about
of great value; great valuable very valuable; of great value great valuable; of great valuable very value; very valuable
Yes, I have Yea, I am No, I don’t No, I haven’t
No, I have Yes, I have No, I haven’t Yes, I haven’t
have gone to have been to have gone have been
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