In recent years, a number of communication satellites ______ into orbit about the earth.A．

In recent years, there has been a marked increase in the number of technical terms in the

With the explosion of digital media in recent years, a growing number of students are

In recent years, we have been witnessing a growing number of Chinese people celebrating we

Recent years have seen a dramatic rise in the number of graduates failing to repay the stu

Recent studies have shown that a growing number of students in China plagiarize in college

In recent years there has been a very rapid increase in the numbers of young people, espec