So far, MERS(中东呼吸综合症) has become one of ____ illnesses in the world.A. seriousB. more seriousC. the most serious
— ____ do you think of the story? — Just so-so.
— ____ is it for the dance lesson? — It’s 100 yuan.
— Hi, Susan, I didn’t see you at the party. — Oh, I ____ for an English test.
The building is now a supermarket. It ____ a cinema.
____ beautiful flowers!