It was unusual that such close neighbors ______ not know one another.
______ of potential danger on late night visits to ATMs, she didn’t dare to go without his boy friend ______ her.
Look at the price of that bike! It is practically the same as ______ of a new motorcycle.
______ number of overseas reporters registered to cover the 18th National Congress has seen ______ remarkable increase.
Peter graduated from university in 1998. He ____ in a high school ever since.
A number of students____ attending the meeting now and the number of students _____more than 100.