— Cindy failed in the writing competition. She must be in a bad mood. — Let’s go and .
My sister likes eating _______, but I don’t like eating them.
-- _______ is the man in the white shirt? -- He is an engineer.
In our library, the number of books ________ more than 40,000.
The entrance exam is only fifteen days away from now. You will fail the exam ______ you study hard from now on.
Jack found ______ hard to get along with the other boys in his class.