— Hi, Michelle, I can’t find my e-dictionary.
— Sorry, I it. I guess I put it on the top shelf with my things.
| A．had used | B．used | C．was using | D．am using |
It was several minutes before I waswhat was happening.
| A．aware | B．concerned | C．awake | D．ashamed |
John opened the door. Therehe had never seen before.
| A．a girl did stand | B．a girl stood |
| C．did a girl stand | D．stood a girl |
—Is Bob still teaching?
—I’m afraid not. He is saidthe school as he has become a businessman.
| A．that he has left | B．to leave |
| C．to have left | D．to be left |
—I wonder how much you charge（要价） for your services.
—The first two are freethe third costs￥30.
| A．while | B．until | C．when | D．before |
The discovery of the stolen car led to.
| A．the thief having caught | B．the thief catching |
| C．the thief being caught | D．the thief to be caught |