Choose the word for blank 2. (A change in the seasons)

In autumn the days grow shorter and the air becomes ___1___. Many trees lose their leaves, ___2___ others stay green all year. Farmers ___3___ their crops and prepare the land for winter. Children return to school and ___4___ new subjects. Although summer is over, many people say that autumn is the most beautiful ___5___ of the year.

Answer and explanation

Correct answer: A. while

  1. Step 1: 'While' contrasts trees that lose leaves with others that do not.
Answer
while.
Why not the others: because, unless and so don't fit.

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