Problem: How does the sentence end?

Mary asked Tanya when the roses may be in bloom, because 
Answer: Mary did not know.

Problem: How does the sentence end?

Jason asked a lot of questions in class and Randy never talked, therefore the teacher asked 
Answer: Jason why they were so loud.

Problem: How does the sentence end?

Kai used a pen instead of crayon to write a letter because the line written by the 
Answer: crayon is imprecise.

Problem: How does the sentence end?

We left the cat in the garage rather than the house because the 
Answer:
garage had an access door for her to go and come as she pleases.