Question 31: The guide asked us __________ the Great Wall of China before.
A. if we had visited B. did we visit
C. have we visited D. that we visited
Question 32: The tourist wondered __________ the Pyramids of Giza were built by slaves.
A. if B. why
C. if they were D. if they had been
Question 33: The archaeologist asked __________ any discoveries in Machu Picchu recently.
A. if there were B. had there been
C. whether there were D. if there had been
Question 34: The visitor asked __________ the Taj Mahal at night.
A. if it was possible to see B. whether was it possible to see
C. whether is possible to see D. if it is possible to see
Question 35: They wanted to know __________ Angkor Wat after sunrise.
A. could they enter B. whether they could enter
C. whether enter was allowed D. if they can enter
Question 36: The historian asked __________ Petra was hidden for centuries.
A. if had been B. whether it was
C. if it had been D. if
Question 37: He asked __________ a special permit to hike in the Grand Canyon.
A. if it was required B. whether it required
C. was it required D. if it requires
Question 38: The reporter asked __________ the Northern Lights lately.
A. if were B. if they had been
C. whether D. had they been
Question 39: The reporter asked __________ the Northern Lights were visible in the area the night before.
A. if were B. if they had been
C. whether D. had they been
Question 40: The tourist asked __________ the Taj Mahal two years before.
A. if she had visited B. whether had she visited
C. if she visited D. whether she visits