Choose the complex sentence.
A He is unfortunately failed.
B It is unfortunate that he failed.
C It is unfortunate to fall.
D He unfortunately failed.
Solution
Correct Answer: Option B
সাধারণত একটি principal clause এবং একটি sub-ordinate clause a complex sentence হয়। Complex sentence-এ who, whom, if, what, as, because, since, so that, till, until, though, lest ইত্যাদি দ্বারা দুটি clause যুক্ত হয়।