--- ____ you _____ of the pop singer called Justin Bieber?--- Yes, I have. His voice sounds_____.
It’s said that there __________ an English report tomorrow afternoon.
_______ tourists visit the Great Wall every day.
Thanks for _____ us so _____, Mr. Smith.
You’ll have an exam soon. I think you should spend ______ time on your homework.
The man over there ________ our Chinese teacher.