This dictionary, a few pages __________ are missing, is of no use

Today’s children are really . — Yes. Their parents get everything ready for them.

I would appreciate ______ back this afternoon.[ ]

Excuse me, Mary, a reporter from Vanity Fair _______ all dayCould you speak to her now?

Have you heard of ______ about Jeremy Lin (林书豪)— Yes. He did quite well in the last NBA basketball match.