—How about my food? I _____ here for almost half an hour.
—I’m sorry, sir. It must be ready by now.
| A．have been sitting |
| B．am sitting |
| C．had been sitting |
| D．was sitting |
Alexander tried to get his work _____ in the medical circles.
| A．to recognize |
| B．recognizing |
| C．recognize |
| D．recognized |
Dr. Smith, together with his wife and daughters, ________ visit Beijing this summer.
| A．is going to |
| B．are going to |
| C． was going to |
| D．were going to |
— Did you go to the show last night?
— Yeah. Every boy and girl in the area ________ invited.
| A．were |
| B．have been |
| C．has been |
| D．was |
Either you or one of your students ________ to attend the meeting that is due tomorrow.
| A．are |
| B．is |
| C．have |
| D．be |
I have reached a point in my life ____I am supposed to make decisions of my own.
| A．which |
| B．where |
| C．how |
| D．why |