Vocabulary Booster১টি পরীক্ষায় এসেছেপ্রশ্ন ৩১What does the idiom "at someone's beck and call" mean?কক) to be willing to do anything for someoneখখ) to be very angry with someoneগগ) to be able to control someone completelyঘঘ) to be confused about someone's behaviorউত্তর দেখুন