Our class is planning to hold _____welcome party for _____exchange students from ________Britain.

I _______my teacher since last year. I miss him very much.

Look at the boy running on the ground. Is it Davis?—It ______ be him. I saw him go to the teacher’s office just now.

The magician(魔术师)Liu Qian from Taiwan performed his tricks at the 2009 Spring Festival Gala(联欢会).

Your mother be over forty! She looks so young! — Thanks. She will be happy.