Put the verbs in brackets into the correct tense.

After Robert Goddard (work)

on rocket technology, he (invent) 

and (launch)

the first liquid-fueled rocket in 1926.

Put the verbs in brackets into the correct tense.

Put the verbs in brackets into the correct tense.

Put the verbs in brackets into the correct tense.

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Mukai Chiaki, the first female Japanese astronaut, ________15 days aboard the space shuttle Columbia in space before it _______to the Earth on July 23, 1994.

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Pham Tuan said everything ___quite strange although he __________when he was on the ground.

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In 1998 at the age of 77, John Glenn _______with six other astronauts on the space shuttle after he ___________three orbits around the Earth a long time earlier.