Linda Smith has been very helpful to me in the past and I hope she______so in the future.A

The play has been on for two hours so the audiences are very tired. {A; B; C}A. 这部剧

John Smith has been to the jungel to look for gorillas.（)

Johnnason: This has been very interesting. Ill discuss your plan with my boss. Cathy: ____

American consumers like convenience very much. During the last 50 years, there has been a

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

Although not an economist himself Dr. Smith has long been a severe critic of the g