[Q]: Would the following sentence, by the strictest standards, be considered correct? After ten soldiers had left, seven more ones came in. OPTIONS:
- unacceptable
- acceptable
++++++++++
[A]: unacceptable

[Q]: Would the following sentence, by the strictest standards, be considered correct? It is not certain that you'll marry any student. OPTIONS:
- unacceptable
- acceptable
++++++++++
[A]: acceptable

[Q]: Would the following sentence, by the strictest standards, be considered correct? One of the most serious problems that some students have be lack of motivation. OPTIONS:
- unacceptable
- acceptable
++++++++++
[A]:
acceptable