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Question:
6. The farmer
in the field when he saw a UFO.
A. is working
B. was working
Choose the option that best completes the following sentence.
Question:
7. A.
A. Really? Why
will you go there?
has a great view of the stars, so many scientists want to work on it.
A. gravity
B. cloud
C. temperature
D. space station
Choose the option that best completes the following sentence.
Question:
8. Scientists float in a space station because there's no.
A. technology
C. gravity
Choose the option that best completes the following sentence.
Question:
9. Jane's mom: In 2100, there will be many space stations near Earth.
Jane:
C. worked
B. science
B. What a good
journey!
D. works
D. air
C. I don't know when D. Oh, it will be much
they will come. easier to explore