Subordinate Conjunction

I was able to get my work checked since the bus was early today.
The subordinate conjunction of this sentence is:

• was

• able

• since

• today

As she looked out the window, a bird swooped down from the tree.
The subordinate conjunction of this sentence is:

• as

• out

• down

• from

What's the subordinating conjunction: We can't be together if you drive that car. 

• if

• we

• together

• be

What's the subordinating conjunction: Unless we study, we will not learn about subordinating conjunctions.

• study

• unless

• conjunctions

What's the subordinating conjunction: I want to go home because I want to read my favorite book.

• favorite

• want

• because

What's the subordinating conjunction: While I was watching television, my mom was writing a letter.

• while

• watching

• writing

We could not sleep ________ it was hot and humid.

• so

• and

• because

• although

Our teacher graded the papers ___________ we watched the movie.

• unless

• while

• so that

Emma and Kate went to the library near school _________ cheerleading practice.

• when

• after

• because

Subordinating conjunctions must come at the ____________

• begining of the subording clause

• begining of independent clause

• end of a dependednt clause