In each of the sentences, there is one word missing. Identify the missing word from the given choices: The pain-killing effect of dental anesthesia lasts longer in the afternoon than does in the morning.
A It
B then
C as
D if
Solution
Correct Answer: Option A
অ্যাপ/ওয়েবসাইটে রুটিনভিত্তিক নিয়মিত লাইভ পরীক্ষা হচ্ছে।