Which sentence is written correctly?
a.
she was emailing her daughter’s teacher when her phone had been ringing.
b.
she was emailing her daughter’s teacher when her
phone rang.
c.
she was emailing her daughter’s teacher when her phone had rung.
d.
she was emailing her daughter’s teacher when her phone has rung.

(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.”)

Why is reasoning relivant to reading and evaluate text?

The wind skittered playfully along the pathway, drawing leaves and bits of flowers along with it. which word gives the passage a cheerful mood?