Which sentences use a time-related term correctly?

Question

Select all correct answers.

Responses

The main part of the Cathedral of Notre Dame was completed in 1250 C.E.

The main part of the Cathedral of Notre Dame was completed in 1250 C.E.

Egyptians started building the Great Pyramids at Giza in B.C.E. 2575.

Egyptians started building the Great Pyramids at Giza in B.C.E. 2575 .

Muhammad fled Mecca for Medina in 622 A.D.

Muhammad fled Mecca for Medina in 622 A.D.

Socrates was executed in 399 B.C.

Socrates was executed in 399 B.C.

Answer 1

The sentences that use a time-related term correctly are:

1. The main part of the Cathedral of Notre Dame was completed in 1250 C.E.
2. Egyptians started building the Great Pyramids at Giza in B.C.E. 2575.
3. Muhammad fled Mecca for Medina in 622 A.D.
4. Socrates was executed in 399 B.C.

(Note: The first two sentences appear to be duplicates; they are copied twice but are correct both times.)