9844 - Part D (Page 161) Test:6 - A: I’ve been working a lot on my computer these days. B: Oh, really? ________ you had a computer.

A: I’ve been working a lot on my computer these days.
B: Oh, really? ________ you had a computer.
I hadn’t known
I don’t know
I haven’t known
I didn’t know
Upper-Intermediate Grammar Exercises
Elementary Grammar Exercises A1
Table of English Grammar Contents (All Levels)
English Modals Tests