—I forgot my mother's birthday!—________ Better keep it in mind next year.
America belongs to the ___country while China and India are both ___countries.
The teacher asked us to ___ Lesson Ten if we hadn't finished it.
--Have you ever been to Beijing?---Yes, and I still remember ___ there when I was a little boy.
He'll never say a word about it ___ you have explained it to him.
He hasn’t decided which hotel ___. Nor have I .