Question 41: The archaeologist asked __________ any new discoveries at Petra recently.

        A. whether there had been                B. if there have been

        C. if there was                D. whether there has been

Câu trực tiếp:

- "Have there been any new discoveries at Petra recently?"

- Chuyền have been (hiện tại hoàn thành) 🡪 had been (quá khứ hoàn thành).

Question 42: She asked __________ Christ the Redeemer in Rio de Janeiro the day before.

        A. if they had visited                B. whether they visited

        C. whether they visit                D. if they have visited

Câu trực tiếp:

- "Did you visit Christ the Redeemer yesterday?"

- Chuyển did visit (quá khứ đơn) 🡪  had visited (quá khứ hoàn thành).

Question 43: The child asked __________ built right there in Wiltshire.

        A. whether                B. if Stonehenge was

        C. if Stonehenge had been                D. whether Stonehenge had

Câu trực tiếp:

- "Was Stonehenge built right there in Wiltshire?"

- Chuyển was built (quá khứ đơn, bị động) 🡪 had been built (quá khứ hoàn thành, bị động).

Question 44: The guide asked whether visitors to the Grand Canyon had seen the sunrise _______.

        A. the next day                B. the previous day

        C. today                D. tomorrow

Yesterday không phù hợp vì vậy phải đổi thành the previous day

Question 45: She inquired whether tourists had visited the Pyramids of Giza _______.

        A. two days ago                B. the day before 

        C. today                D. the previous week

Trong câu gốc là yesterday thì khi chuyển sang câu gián tiếp phải là the day before

Question 46: He asked whether the Northern Lights had been visible in the sky _________.

        A. last night                B. the night before

        C. tonight                D. tomorrow night

Tương tự câu 44, last night 🡪 the night before.

Question 47: The historian wanted to know whether the Terracotta Army had been unearthed _______.

        A. here        B. there        C. this place        D. somewhere

Here 🡪 there trong câu gián tiếp.

Question 48: The guide wanted to know whether tourists would be visiting the Taj Mahal _______.

        A. tomorrow        B. the next day        C. yesterday        D. the day before

Có 'would' 🡪 câu trực tiếp là thì tương lai đơn.

Tomorrow 🡪 the next day trong câu gián tiếp.

Question 49: She wondered whether the Hanging Gardens of Babylon were located _______.

        A. here        B. there        C. this place        D. these places

This place 🡪 that place trong câu gián tiếp.

Question 50: The historian wanted to know whether the Lighthouse of Alexandria had been destroyed _______.

        A. in those days                B. in these days

        C. at that time                D. at this time

This và these không thể xuất hiện trong câu gián tiếp.

"in those days" không hợp nghĩa.