---Tom! Don’t put the book so close to your eyes! Move it a bit . --- OK, mom. Is it all right?
Mr. Wu___this math problem____him many times, but he still doesn’t understand it.
Bob doesn’t know ________ to write about.
--How many students have passed the examination? -- _______.
_________ creates the feeling of harmony and also represents sadness.
My grandma _________ Chinese food ________ Western food.