The appearance
P: dinosaurs were at their peak Q: of the first mammals on the earth
R: at the time when S: went almost unnoticed
সমাধান
সঠিক উত্তর: Option E
Solution:
কিসের Appearance -দেখুন Q তে এর উত্তর আছে । এরপর Verb আসবে । দেখুন S এ Went আছে । এরপর R
এবং P বসালেই বাক্যটি পেয়ে যাবেন ।
QSRP -> The appearance went almost unnoticed at the time when dinosaurs were at their peak.