That's a very __________ medicine. ()
A. shifted
B. craze
C. effective
D. selfish
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The __________ boy refused to share his toys with his brother. ()
A. nominee
B. selfish
C. shifted
D. publicity
a __________ for silly-looking hats. ()
A. donation
B. craze
C. cure
D. association
She is saving for her retirement __________. ()
A. fund
B. poured
C. effective
D. craze
Scientists are searching for a __________ for cancer. ()
A. poured
B. shifted
C. cure
D. selfish