A. unless B. as far as C. as long as D. until
A. Whatever B. Whoever C. However D. Wherever
A. what has been B. that has been C. that was D. which has been
A. who B. that C. whom D. which
A. that B. when C. which D. what
A. which B. whom C. who D. that
A. that B. when C. which D. where
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