Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

There are some historical mysteries that may never be (1)_______, from the date that Jesus was born to the identity (2)________ Jack the Ripper to the location of Cleopatra's tomb. (3)________, that's because the relevant excavated material has been (4)_______ or an archaeological site has been destroyed. Other times, it's (5)______ new evidence is unlikely to come forward or the surviving evidence is too vague to lead scholars to a consensus.
The lack of answers only makes these enigmas more intriguing.
SubQuestion No : 46
Select the most appropriate option to fill in blank No. 1.

Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

There are some historical mysteries that may never be (1)_______, from the date that Jesus was born to the identity (2)________ Jack the Ripper to the location of Cleopatra's tomb. (3)________, that's because the relevant excavated material has been (4)_______ or an archaeological site has been destroyed. Other times, it's (5)______ new evidence is unlikely to come forward or the surviving evidence is too vague to lead scholars to a consensus.
The lack of answers only makes these enigmas more intriguing.
SubQuestion No : 46
Select the most appropriate option to fill in blank No. 1.