QUES: Continue writing.

Elena is always very helpful to Natalie at the tanning salon due to
+++++++++
ANS: Natalie being the customer.

QUES: Continue writing.

William yelled at Jason when
+++++++++
ANS: William found out how much they charged to the credit card.

QUES: Continue writing.

Nick asked Christopher how to focus a camera, since
+++++++++
ANS: Nick had never been able to get the hang of that.

QUES: Continue writing.

The woman took the backpack instead of the duffle bag on the trip, because the
+++++++++
ANS:
backpack was more comfortable to carry.