Choose the verb or verb phrase that correctly completes the sentence.

weather can be unforgiving, even to entertainers. to fans, a musical group sometimes their safety at risk to perform in bad weather. for example, the pop group abba performed in the rain in 1977. the rain caused one of the members, frida, to slip on the stage.
a.
puts
b.
put
c.
is putting
d.
has put

Based on the cause-and-effect relationship in this sentence, what is the meaning of the word revert? the brownies kali made using a new recipe were too dry, so she reverted to her original recipe. a) to alter or change completely; revise b) to dispose of or remove; to throw away c) to prepare for something; assemble or make d) to go back to a previous state or practice