Find the part in the following sentence which has an error.
AI am quite certain
Bthat the person is not only old
Cbut weak
Dno error
AI am quite certain
Bthat the person is not only old
Cbut weak
Dno error
Related Questions:
Identify the segment of the sentence which contains an error. If there is no error, mark "No error" as your answer.
This is the more difficult problem I have ever solved.