Read the sentence below to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Choose the option with that part as your answer. If there is no error, choose 'D' as your answer. (Ignore the errors of punctuation, if any).
Firstly you should think over the meaning of the words and then use them.
Firstly you should
think over the meaning of the words
and then use them.
No error.
Correct answer is A
'First you should'