Ibought a special gift for my aunt. i was worried my brother would ruin the surprise, so i didn’t tell him what i bought. my aunt and my brother can both be surprised!

a.
spill the beans

b.
wake up on the wrong side of the bed

c.
get cold feet

d.
open a can of worms

What do mcmahon’s references to thomas carlyle and john stuart mill do for his own image and credibility?

Messalla frowns at the wide circular cover, for a moment returning to his own fussy world.

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)