Please accept our hearted congratulations_____the prize you got for your_____this field.
| A．on; contribution on | B．for; contributions on |
| C．on; contribution to | D．of; contribution to |
---Are you a teacher? ---No, but I _______.
| A．used to | B．used to being | C．used to be | D．was used to |
Before he went abroad，he spent as much time as he _____ English.
| A．could learning | B．learned | C．to learn | D．could learn |
As time went by, the plan he stuck ____ fairly practical.
| A．to proved | B．to proving | C．proved | D．to be proved |
The detective,____ to be reading a newspaper, glanced at the man_____ next to a woman.
| A．pretending, seated | B．pretended, seated | C．pretending, seat | D．pretended, seating |
The student, in Jinshan Middle School for 3 years, was admitted into Qinghua University.
| A．to study | B．studying | C．to have studied | D．having studied |