The number of Chinese speakers in the world ________with the development of China is much larger than ever before..
Sometimes, ________ we show our gratitude for a person is reflected in the kind of food we serve him or her.
—I wonder ________ so many people are crazy about Gangnam Style. —It's good for bodybuilding, and it brings people a lot of fun, you know.
It seemed to me that she was in doubt ________ Timmy lived or died.
—________ you write so well? —By reading and keeping diaries every day.
It is a teacher's responsibility always to hope, ________ with learning, a boy's character might be changed.