A warm thought suddenly came to me _______I might use the pocket money to buy some flowers for my mother’s birthday.
A. if
B. when
C. that
D. whicn
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As to the _____________ (appropriate) of his behavior, worry about your own conduct and leave him alone.
He accepted the ____________ ( apologise ) with great generosity.
But you always have to be ________ (awareness) of that possibility.
We have to ________ (low) costs and deliver better programs.