In the sentence 'They were asked to wait "till the signal was given' the underlined part constitute ___
A
an adjective clause
B
a noun clause .
C
a pronoun clause
D
an adverb clause .
Correct Answer: an adverb clause .
Before, wherever, while, till, until, দ্বারা adverbial clause of time শুরু হয় এবং till দ্বারা শুরু হওয়া clause টি verb wait - কে modify করেছে। সুতরাং clause টি an adverb clause।