What does "fill in the blanks" in the first paragraph mean？
A. To do the exercise.
B. To take the test.
C. To know the right words.
D. To know the answer.
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What do we know about warblers as a whole？
A. They do not have intelligence.
B. They do not need to learn to fly in the right way.
C. They tend to take the same route as other birds.
D. They cannot sense changes in the position of the moon.
A．Because we feel that we have become mature.B．Because laughter is the best medicine.C
A. Because we feel that we have become mature.
Because laughter is the best medicine.
C. Because we understand the world around us better.
D. Because laughing helps us overcome trouble.
A．To take lessons himself.B．To be close to his family.C．To teach better students.D．To
A. To take lessons himself.
B. To be close to his family.
C. To teach better students.
D. To have more students.
A．Because his father laughs while doing this.B．Because he knows that his father is pla
A. Because his father laughs while doing this.
Because he knows that his father is playing with him.
C. Because he enjoys the feeling of flying.
D. Because he enjoys the moment when he is caught.
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