According to the passage, when the pod is in orbit 460 kms above theearth, the guest is going to travel around the earth ______.
A. each 80 minute
B. each 80minutes’
C. every 80minutes’
D. every 80 minutes
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______ have shown interesting the space vacation.
A. More 200 people
B. 200 people more than
C. More than 200 peoples
D. More than 200 people
These seats are _______ for teachers.
A. reservation
B. reserving
C. reserved
D. to reserve
He is a well-known expert in _______.
A. financial
B. finance
C. financially
D. financing
The reason why she did it is still a _______.
A. mysterious
B. mysteriously
C. mystery
D. mysteries
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