I can play the piano
It seems like there might be a typo in your question. If you meant to ask "What is a sentence?" a sentence is a group of words that expresses a complete thought, typically containing a subject and a predicate. It can be declarative, interrogative, imperative, or exclamatory, and it usually begins with a capital letter and ends with a punctuation mark. If you meant something else, please clarify!
An A+ which is 100%.
The piano....
you usually don't unless it should be aexponation mark or quiestion mark
A 9ft Yamaha CFX Concert Grand and occasionally a Bosendorfer Imperial.
The missing punctuation mark is a period.
There is nothing missing... other than possibly a period at the end.
The missing punctuation mark is a period. The correct sentence should be: "Teacher said, 'Come follow me.'"
The missing punctuation is a question mark. The sentence should be: "You want to go home?" shouted Martha.
An apostrophe.
Punctuation at the end of a sentence indicates a complete thought.
The different punctuation at the end of a sentence are mostly period ("."), Question mark ("?"), Exclamation mark ("!").
If you are posing a question, use a question mark (?) for punctuation.
like this quick! the punctuation mark is the exclamination mark !
An interrogative sentence ends with a question mark.
A question mark is a punctuation mark used to end an interrogatory sentence.
!