টিউটোরিয়াল / গাইডলাইন অ্যান্ড্রয়েড অ্যাপ ডাউনলোড
Google Play
GET IT ON Google Play
StudyClub - স্মার্ট স্টাডি প্ল্যাটফর্ম - Study Tracker - App Blocker - Reading Room
মেনু
Self Tracker
Messenger
Question Bank
Study User Report
Session Report
To do list Report
Study Leaderboard
Screen Time Leaderboard
Public Dashboard
Quiz Creator
Quiz Leaderboard
হোম
Profile
About
Tutorials
থিম নির্বাচন

আপনার পছন্দের থিম বেছে নিন।

Indicate the correct sentence:

A. He sit down for so long that he has pain in his backbone
B. He sat down for so long that he has pain in his bankbone
C. He has been sitting down for long that he has pain in his backbone
D. He was sitting down for so long that he sad backbone pain
সঠিক উত্তরঃ C. He has been sitting down for long that he has pain in his backbone
Explanation: