When - the telephone invented? English English Grammar 05 Oct, 2018 প্রশ্ন When - the telephone invented? ক. has been খ. had been গ. was ঘ. is সঠিক উত্তর was সম্পর্কিত প্রশ্ন আরো দেখুন Some day scientists will - find a cure for cancer. Which gender is word 'orphan'? Complete the following sentence: 'Had I knwon you were waiting outside, I - Having the right equipment at hand will be enormous help. Three-fourth of the work - finished. মন্তব্য There are no comments yet. Authentication required You must log in to post an answer. Log in বিষয় English অধ্যায় English Grammar পরীক্ষায় এসেছে বিদ্যুৎ, জ্বালানি ও খনিজ সম্পদ মন্ত্রণালয়ের নিরাপত্তা কর্মকর্তা
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