There are some tickets ________ for the concert given by a group of popular singers.The concert fans should be quick.
A. leave
B. left
C. leaving
D. leaved
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Two days are not enough for me to get ready for the conference.I need ________day.
A. other
B. the other
C. the third
D. a third
We are now writing to you to ________ long-term trade relations.
A. publish
B. establish
C. protect
D. lavish