1. The following sentence is a correctly written simple sentence. For
clarification, rewrite the sentence and add a phrase that answers the
question "how, when, where or which?". Highlight the changes made.

He glanced at her and sighed,

He glanced at her and sighed, "There."

Explanation:

(or That, or That)

He glanced at her and sighed

How did he glanced at her and sighed?

When did he glanced at her and sighed?

Where did he glanced at her and sighed?

Which of the girls did he glanced at and sighed?

Explanation:

Refraining a question has an objective of ensuring that the meaning of the topic sentence is not lost. Thank you.

the correct answer can either be a or b because it could be both but you should probally choose b

a complex sentence consists of an independent clause and one or more dependent clauses.  

to write complex sentences, we must use subordinating conjunctions.  

all the complex sentences begin with a subordinating conjunction and when it occurs, a comma must be place at the end of the dependent clause. on the contrary, if the sentence begins with an independent clause, then no comma is used.

after  

although  

as  

because  

before  

if  

since  

when  

for example,  

after she won the competition, she became very popular.  

although my father was hurt, he continued fighting for his rights.  

as all of you got a ten, you will be able to leave early today.  

before he went to the war, he asked his parents to bless him.  

if it is cold, i won’t go out.  

since you didn’t bring the homework, you will get low grades.  

when it is hot in the town, everyone goes to the beach.