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प्रश्न
After many months of research, the scientists ______ the invisible barrier.
विकल्प
break down
broke out
broke in
broke through
MCQ
रिक्त स्थान भरें
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उत्तर
After many months of research, the scientists broke through the invisible barrier.
shaalaa.com
Grammar
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
