মেনু
QB Archive Quiz Creator Graph Poll Mode View Ques Quiz Leaderboard About
থিম নির্বাচন

আপনার পছন্দের থিম বেছে নিন।

Download Address Academy - Best Offline Education App

Up to the present time oceanographers _____lots of seafloor mountains they _____existed.

A. wee finding/don't know
B. have found/haven't know
C. are finding didn't know
D. will find/wouldn't
Poster Download
Probashi Kallyan Bankইংরেজি - গ্রামার ও ভোকাবুলারিTense and Sequence of TenseTense and Sequence of Tense (Topic Practice)Probashi Kallyan Bank - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
Join Telegram
সঠিক উত্তরঃ B. have found/haven't know
Explanation: