successful的反义词是____
A. unsuccessor
B. unsuccess
C. unsuccessful
D. unsuccessfully
optimistic的反义词是____
A. pessimistic
B. active
C. sad
D. happy
positive的反义词是____
A. creative
B. negative
C. frustrative
D. active
To heroes.正确的译文是____
A. 致敬英雄
B. 致敬生命
C. 致敬护士
D. 致敬医生