Answer:
A. People should dedicate at least one day a week to prayer rather than work.
D. The sentence contains a typo. "Past" is the wrong spelling. It should be "Passed"
The correct sentence is the second one "She built a high-performance CPU".
The first sentence should not contain a comma and is incorrect. The third sentence is incorrect because there shouldn't be a dash before CPU. The fourth sentence is incorrect because CPU is not written with dashes.
B is the sentence fragment.
A Constrain is something that imposes a limit or it means to prevent something from occurring.
Example of a sentence: We had to terminate the project due to time constraints.
