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用方框中所給詞的適當(dāng)形式填空

late,discover，reach，take,be

1. Astronauts have already       to the moon.

2. I have known the       news about my favourite film star.

3. I       some really nice photos when I was inAmerica.

4. They haven’t       any life on Mars yet.

5. I       Beijing the day before yesterday.

8. I，m sorry that your flight has          (剛剛) taken off.

7. There are       (幾本) books on the desk.

6. Have you heard the        (最新的) news?

5. My son’s dream is to be an          (宇航員) .

4. The fact is that he did not        (發(fā)現(xiàn)) it.

3. Mars is the fourth      (行星) in order from the sun.

 2. - What do you like to do when you are free?

—I like to make car      (模型) .

1. The      (地球) is our home. We must take good care of it.

8.把……發(fā)送到……        

9.搜索信息       

10. 航天旅行