____ several times, the young scientist still kept on doing his experiments.
#92897
A
Having failed
B
Having been failed
C
Failed
D
To fail
推荐题目
Our English teacher often gets us _____ some famous films in the class.
#88562
A
watch
B
watching
C
to watch
D
watched
Maria is constantly making efforts, she deserves the goal of entering the key university.
#96095
A
achieving
B
to achieve
C
being achieved
D
to be achieve
_______by the teacher, Bob has made great progress this term.
#94514
A
Educating
B
Having educated
C
Educated
D
To be educated
As soon as she entered her own room, she caught sight of the gift _____ by her father.
#95592
A
buying
B
bought
C
was bought
D
being bought
Psychologists say that_____ our emotions will make us feel better and there is nothing to be ashamed of.
#98976
A
relieving
B
relaxing
C
releasing
D
removing