The Blacks are going to 　　　　　　　all over the world.

In the piano concert, my brother didn’t play well and I did ________.

- Everyone knows Canada is the second largest country in the world.- That is, it is larger than______ country in Asia.

The students in Class 3 planned to sell old books to _______ money to help the new student.

-Is your brother running in the park? -No,           is swimming in the river.