Q58
Radio is a means of . . . . . . . . the material for other audio-visual aids. 1. correcting 2. modernising 3. supplementing 4. vitalising
A.
1 and 2
B.
2 and 4
C.
1, 3 and 4
D.
All of these
AnswerAnswer: Option D
Solution
Answer: Option D
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