'What is the answer?' contains a subject 'what', a verb 'is'. and the object 'answer', so it conforms to the basic requirements that define a complete sentence.
"The armadillo is a poor swimmer." is a complete sentence
It is a complete sentence.
Complete the sentence with "He".
The phrase "Is you read a complete sentence" is not grammatically correct. A proper form could be "Is this a complete sentence?" which asks whether the statement is grammatically sound. To clarify, a complete sentence must contain a subject and a predicate and express a complete thought.
Using the word "then" at the beginning of a sentence is not incorrect. However, it does not make a sentence complete. A complete sentence must have, at a minimum, a subject and a verb. "Then" is neither of those.
Yes. You would only need a period at the end of the sentence in order for it to be a complete simple sentence.
I presume, assume, you mean, what is the meaning of a complete sentence? A complete sentence has a noun and a verb. I'm glad that I am no longer studying another language.
Yes, a semicolon could indeed join an incomplete sentence and a complete sentence.
No, a complete sentence needs a subject and verb at least.
Yes that is a complete sentence
No, it is not a complete sentence. It is a fragment.
That is not a complete sentence. You need a noun and a verb for a complete sentence.