Answer: Barbara Bush focused much of her energy on a cause near to her heart: literacy.
Explanation: In the first two options, the colon is being misused because it is fragmenting essential elements of a same clause (direct object "much of her energy" from complement "on a cause..." / prepositional phrase "on a cause" from prepositional phrase "near to her heart" modifying it.) In the third option, the comma should not be used to introduce the one-item list "literacy."
Answer:
Ecom Hire Cars was set up three years ago by my brother-in-law.
It shifted like, most people who liked art and actually cared about it would go to art shows and spend tons of money on art. So, basically if you liked art you were in a small group of people in this time period. There were only so many people who actually liked art.
Hey! So the answer should be No.3:
“I looked all over to find the perfect yarn to knit that sweater for you.” Gran had said.