Growing crops and raise animals for food are among the most important steps ever taken by mankind.

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

A. laughs

B. kids

C. bats

D. speaks

Endangered species are plant and animal species (36)___ are in danger of extinction.

We may help if we cut down on energy use by using LED light bulbs and unplug unused electronic devices.

The weather is getting _.

more and more hot

hotter and hotter

hot and hot

hottest

Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.

Linda: "Aunt, I've passed the exam with flying colors."

Aunt: " "