Read this extract about accuracy when teaching English as a foreign language.

(I) To achieve accuracy some attention to form, i.e. to ‘getting it right’, is needed.

(II) Practice activities aimed at form are important to enhance automatisation of the system as well as to build precision at applying the linguistic system. 

(III) So accuracy requires attention to form and time to process it in order to attend different students’ needs.  

(IV) After all, being familiar with the language that they are learning and being able to use it can help develop fluency.

Choose the alternative that refers to the only sentence that can be omitted in the text.