According to the structure, there are three kinds of sentences :-
Simple Sentence : A sentence which has only one subject and one predicate is called a Simple Sentence.
Complex Sentence : A sentence which consists of one main clause and one or more subordinate clauses is called a Complex Sentence.
Compound Sentence : A sentence which consists of two or more co-ordinate clauses and is joined with a linker is called a Compound Sentence.
The given question is a compound sentence and it is joined with the linker 'therefore'. To change this sentence into a complex sentence, we need to add a clause.
Here, we should use adverb clause and we have to use it because adverb clause is often used to show cause or reason. An adverb clause of cause or reason is introduced by words like because/since/as in/as much as and that.
Answers & Comments
[tex]\huge\sf\underline{Required\:Answer\::}[/tex]
He ran away because he was afraid.
Extra Information ↴
According to the structure, there are three kinds of sentences :-
The given question is a compound sentence and it is joined with the linker 'therefore'. To change this sentence into a complex sentence, we need to add a clause.
Here, we should use adverb clause and we have to use it because adverb clause is often used to show cause or reason. An adverb clause of cause or reason is introduced by words like because/since/as in/as much as and that.