Shaheen has been to the following areas in America EXCEPTA．Pennsylvania.B．New York.C．Calif

The teacher has been trying to hammer in the facts.（英译中)

"He has been to Paris" entailsA．He has been to France.B．Paris is the capital of France.C．H

According to the passage, the development of green technology has resulted in the followin

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

A great deal has been done to remedy the

Agreat deal has been done to remedy the si