—Is Bob still performing?—I’m afraid not.He is said___the stage already,as he has become an official
I was so familiar with him that I recognized his voice _____ I picked up the phone.
It’s reported that the police will soon ____ the case of two missing children.
Tom is keen _____ surfing the Internet in his spare time.
The students were completely _____ in their reading.
She missed the plane, _____ driving very fast to the airport.