Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
A(n) ___________ is a person whose job involves traveling and working in a spacecraft.
A.
pilot
B.
engineer
C.
astronaut
D.
trainer
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Mark letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to the original sentence in each of the following questions.
When the USA put the first human on the moon, Russia had already sent the first human into space.
A.
After the USA put the first human on the moon, Russia had already sent the first human into space.
B.
Before the USA had put the first human on the moon, Russia had already sent the first human into space.
C.
Before the USA put the first human on the moon, Russia had already sent the first human into space.
D.
The USA put the first human on the moon before Russia had already sent the first human into space.