16.The angler said that he hadn't caught any fish that morning.
A.noun clause B.adjective clause C.adverb clause
17.I wonder if she was free.
A.noun clause B.adjective clause C.adverb clause
18.Though he didn't receive formal schooling, he is clever and industrious.
A.noun clause B.adjective clause C.adverb clause
19.The boys who misbehaved in the class were suspended.
A.noun clause B.adjective clause C.adverb clause
20He who laughs last laughs best
A.noun clause B.adjective clause C.adverb clause