Completa los espacios en blanco con la forma negativa de los verbos en *negrita* .
Fill in the blanks with the negative form of the verbs in *bold* .
1. Goddard *believed* in space flight. Other people _______ in space flight at that time.
2. The Wright brothers *dreamed* about flying. They _______ about rockets.
3. They *sold* bicycles. They ______ cars.
4. Their 1903 airplane *had* a pilot. Their first airplane _______ a pilot.
5. The Wright brothers *wanted* to show their airplane to the U.S. government. The government _______ to see it at first.
6. The Wright brothers *built* the first airplane. They ________ the first rocket.
7. Goddard *thought* his ideas were important. His colleagues ________ his ideas were important.
8. He *wanted* to build rockets. He _______ to build airplanes.
9. In 1920, a newspaper *wrote* that he was foolish. The newspaper ________ about the possibility of rocket travel.
10. In 1926 his rocket *flew* . Before that time, his rocket _________.
11. The first rocket *stayed* in the air for 2½ seconds. It ________ in the air for a long time.
12. Goddard *saw* his rockets fly. He ________ rockets go to the moon.
13. In 1957, the Russians *put the first man in space. The Americans ________ the first man in space.
14. In 1969, the first Americans *walked* on the moon. Russians ________ on the moon.
15. A rocket *went* to the moon in 1969. A rocket _________ to the moon during Goddard's lifetime.
Respuestas a la pregunta
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Respuesta:
1. Goddard *believed* in space flight. Other people didn't believe in space flight at that time.
2. The Wright brothers *dreamed* about flying. They didn't dream about rockets.
3. They *sold* bicycles. They didn't sell cars.
4. Their 1903 airplane *had* a pilot. Their first airplane didn't have a pilot.
5. The Wright brothers *wanted* to show their airplane to the U.S. government. The government didn't want to see it at first.
6. The Wright brothers *built* the first airplane. They didn't build
the first rocket.
7. Goddard *thought* his ideas were important. His colleagues didn't think his ideas were important.
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