I’d like to know _________ Chinese.
In the last ten years, they _______ three great scientific experiments.
Look! Tony, your books are everywhere. Please put them _______ .
-Are you feeling _______ now? -Yes, and I feel much happier than ever.
-Hi, Wang Ling, can't you recognize me? -Oh, Ma Yan!I ________ you ________ your sister. It's so nice to meet you here!
I wish you'd do ______ talking and some more work. Thus things will become better.