We chose the persons and these people did      .

Tom speaks Chinese better than _______ else in his class.

I’ll see to _______ that all these letters will be sent to the post before twelve.

—What about today's temperature? —It's the same as, if the weather report is exact as usual, ________of yesterday．

Today’s world is changing rapidly, making _____ necessary for us to continue learning otherwise we can’t keep up with the time.