Most people felt __________ regrettable that Yaoming retired from the NBA. A. one B. this C. it D. what
---How did you find your trip to America, John? ---_________.
The little kitty saw itself _____ in the water and felt puzzled.
The person sitting opposite _____ Mr.Smith is our new manager.
I’m not a teacher in this school.I _____ until a new teacher arrives.
The scientists are urging that the chemical _____.