@Nousher Ahmed,
Nousher Ahmed wrote:
After she completes the form, ___ will be processed by Jason.
1) that 2) it
If I don't use comma after the word 'form', I can use 'that'. But if I use comma, can I use 'that' instead of 'it'? One reference said that it will be wrong if I use 'that' instead of 'it' when comma is used. I don't understand why it will be wrong?
That's the problem with these cloze-type questions. If I think about it long en0ugh, I can imagine some contexts in both answers would be acceptable. Of course, I know which answer they're fishing for, but it's misleading to say that 'that' would always be wrong in that sentence pattern. The absence of context is the problem.
Anyway, I think maybe it sounds a little awkward to use the demonstrative pronoun 'that' (instead of as a relative pronoun) when the subject of the main clause is included in the sentence. In "That's what I think", for example, the referent is in a separate sentence. "what" would be the relative pronoun, and "that" (without the copula) would be functioning as a demonstrative, I think.