At present lots of people would rather _______ in the country because there is ________ air pollution in the country.
After _____dinner, I like to sing a song for ____ short time. A a;an B an;a C /;an D /; a
—_____ do you usually come to school? —By bike.
—Happy birthday! —___________ A The same to you. B Thank you! C We are all happy. D Oh, we are not happy
The Smiths are looking forward to ________ Kunming some day.
This kind of on-line game _______ a group of teenagers in China.