5. Little Patsy was warned to leave the birthday cake _______.
a. behind b. alone c. aside d. down
76. The price of food keeps _________ up.
a. rising b. going c. getting d. setting
77. He climbed up into the tree and picked all the fruit ________ reach.
a. near b. inside c. within d. at
78. I covered 5 miles today, I never guessed that I could walk _______ far.
a. that b. this c. such d. as
请选择,并讲讲原因。谢谢了!