All the students are very important to their parents.
Sure. So as a teacher, we can never ______.( )
A.give them upB.give him up
C.give up them
—How many _______do you have?
Here are many_______ and________.
This blue pen is .
Look! Some ______ are in the school.
--Are those the ______ books? -- No, they are ______ books.