I am very worried about tomorrow’s chemistry test. I’ m afraid I can’t pass this time.— ! I’m sure you’ll make it.

How is Helen in the new school— She is doing very well. There is ____ to worry about(担心).

What’s your favoritefruit—Apples. You know, _______ apple a day keeps the doctoraway.

__________ entered the office when he realized that he had forgotten his report．

My poor pet dog is seriously ill. I’ m afraid it is ______ to die soon.[ ]