—Have you finished your book report?—Not yet. I couldn't________on it with so loud music next door last night.
In those days, we had no phones, so we have to keep in touch _____ writing often.
Don’t be angry _______ me for not having written. I was really too busy.
“When did you leave the farm?” “____ the end of last year.”
“How long will you work on the farm?” “____ the end of next year.”