Read the passage carefully then answer the questions.
When springtime comes, everything begins to wake up. Many animals in the woods have been asleep all winter. Birds have been away.
Then, all at once, it is spring! The days begin to grow long. From the south the birds fly back, ready to build their nests. Animals wake up and start to look for food.
Trees grow new leaves. Plants begin to flower. Baby birds and animals are born. Farmers are busy from morning until night.
In many countries, people greet the spring with songs and dancing. Springtime is a happy time all over the world.
Questions:
What do birds do when it’s spring?
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Đáp án: From the south the birds fly back, ready to build their nests.