That was the second time I ( ) abroad.
A. have been
B. had been
C. was
D. were
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8. His plane is due at 10 in Paris. Look, ( ) plane is now at ( ) airport.
A. a/the
B. the/the
C. the/an
D. a/an
9. When Tom was a little boy, he already knew the sun ( ) the center of the solar system.
A. was
B. is
C. will be
D. are
10. She told me her name only after I ( ) her twice.
A. have asked
B. asked
C. had asked
D. have been asked
11. Let's give the patient ( ) hand. ( ) ambulance is waiting for us outside ( ) school.
A. a /The/the
B. a /The/an
C. the/A/an
D. the/A/the