Questions 21 and 22 are based on the following news.At the end of the news item, you will be given 10 seconds to answer the questions.
Now, listen to the news. What happened to the space shuttleColumbiaA.It lacked food, fuel or packages for the crew. B.It broke up on Saturday in Texas. C.It lost contact with the international space station. D.NASA、had planned to cast it off.