A. working out B. having worked out
C. having been worked out D. to have been worked out
A. circumstance B. request
C. reception D. response
A. supply B. assurance
C. provision D. adjustment
A. before B. until
C. since D. when
A. take over B. result in
C. hold on D. keep to
A. in response to B. in favor of
C. in contrast to D. in excess of
A. by B. with
C. from D. about
A. convey B. display
C. consult D. confront
A. was B. were
C. is D. are
A. whether B. if
C. that D. what
A. will be arranged B. must be arranged
C. be arranged D. would be arranged
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