Mr. Li is kind _________ us. But sometimes he is kind _______ serious.
I will meet Jane at the station. Please ________ what time she will arrive.
--I am a little hungry, Mom. --There are some cakes on the plate. You can take ________.
Mrs. King put a coat ________ the sleeping girl to keep her warm.
-- I can't find David. Where is he?-- He ________ for tomorrow's competition at home.
Smile to the world, ________ the world will smile back to you.