A.askB.commandC.bidD.order
A. ask
B. command
C. bid
D. order
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We______this visit for months — you can't cancel it now.
A. planned
B. have planned
C. have been planning
D. had planned
The word "diversity" (Para. 1 and Para. 6) most probably means______.
A. background
B. influence
C. variety
D. significance