English Wizard১টি পরীক্ষায় এসেছেপ্রশ্ন ১৬He spoke confidently, as though he had prepared his speech for weeks. Here the underlined clause is an exam of - কক) Adverb clause of placeখখ) Adverb clause of purposeগগ) Adverb clause of suppositionঘঘ) Adverb clause of mannerউত্তর দেখুন