_____has Mr. Clinton been a member of Greener China since he ____ to China？A、How soon

She has _______ been to Toronto, has she？A、alreadyB、neverC、everD、still

The meeting _____when Mr. Wang _____to school.A、has begun; getB、has been on; getC、had b

"Tom has been to New York" entails______.A．Tom has been to AmericaB．Tom has never been to

Mr. Swift has marked some lines on the page because ______.A．he thought Mr. Sun has writte

At the award ceremony, Mr. Jackson said, “For me, there has been______（没有更大的回报)

We are happy at the good news ________ Mr. Black has been awarded the Best Manager.