Future perfect L-9, EP-38.

I am sure they​ (a)   the new road by June. (complete)

He says that before he leaves he​ (a)   every show in town. (see)

If you don’t make a note of that appointment, you​ (a)   it. (forget)

By this time next month, all the roses​ (a)   (die)

By January first, all our work for the year​ (a)   been​ (b)   and our report​ (c)   been​ (d)   in. (finish - turn)

By the time you arrive, I​ (a)   reading your book. (finish)

I​ (a)   in this country for two years on January 12. (be)

By this time next year, you​ (a)   all your present troubles. (forget)

A century from now, wars, I hope,​ (a)   a thing of the past. (become)

Perhaps by that time, we​ (a)   that it is better to cooperate than to fight. (learn)