The experiment turned out to be       , which wasn’t ______ they wanted.
#6901
A
a completely failing ; as
B
a complete failure ; what
C
completely failure ; that
D
failed ; 不填
推荐题目
We should make a careful study of his____.
#7357
A
useful teaching experiences
B
useful teaching experience
C
usefully teaching experiences
D
usefully teaching experience