XXV. Choose the best option to complete each sentence. Circle A, B or C.
1. A ______ helps us to watch stars from the Earth. |
A. microsope | B. telescope | C. horoscope |
2. Without ______, people can hardly travel into space. |
A. satellite | B. airplane | C. spacecraft |
3. Neil Armstrong was the first ______ to walk on the moon. |
A. astronomer | B. astrologist | C. astronaut |
4. A piece of rock from space is called a ______. |
A. meteorite | B. rocket | C. comet |
5. We are so busy and we only meet _____. A. over the moon B. once in a blue moon C. the sky’s the limit |