While________ along the road, Mr. Smith met an old friend of his.
---Now more and more Chinese senior students are applying for admission to American universities through SAT. --- . But taking an SAT may cost one more than 10,000 yuan.
Sometimes we are asked ______ we think the likely result of an action will be.
It was only in 1997 J. K. Rowling completed the first Harry Potter story, _______ was also known as Harry Potter and the Sorcerer’s Stone.
I haven’t got ____ nails to mend the cupboard. I need another three.
The food was good, _______ he had little appetite (食欲).