Homework: 10 Bad Sentences

Re-Write the following sentences so that they have no grammar errors:
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    Re-Write the following sentences so that they have no grammar errors:

    This is a required question
    This is a required question
    This is a required question
    This is a required question
    This is a required question
    This is a required question
    This is a required question
    This is a required question
    This is a required question
    This is a required question