23.— It’s a long time _____ I saw you last.— Yes, and what a pity! It will be a long time ____ we see each other again.
It is reported that two schools, _________are being built in my hometown, will open next year.
He tried his best to solve the problem, _______difficult it was.
—What do you want to do next? We have half an hour until the basketball game. —_______________. Whatever you want to do is fine with me.
With more forests being destroyed, huge quantities of good earth_______________each year.
His plan was such a good one_______________we all agreed to accept.