In the back of our classroom stand some bookshelves on which are various magazines and reference books, making reading materials more 　　　　to the students.

Where is Mr. Wang–He _________Beijing for three days.

The boy is only _____. Today is his _____birthday.

I feel nervous before the exam. — _____ . It won’t be too difficult for you to pass.

we___________last night,but we went to the concert instead.