A new ______ to teaching languages is being used here, and it has turned out to be very helpful to the students.
#6418
A
approach
B
means
C
method
D
way
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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
Do you know the _________ of the saying I just quoted?
#5912
A
resource
B
source
C
course
D
cause