填空题

Directions: This section is to test your ability to comprehend short passages. You will hear a recorded passage. After that you will hear five questions. Both the passage and the questions will be read two times. When you hear a question, you should complete the answer to it with a word or a short phrase (in no more than 3 words). The questions and incomplete answers are printed in your test paper. Now listen to the passage.
What are the colors of apples The color of the apple may be red, ______ .