The doctors in Shenzhen did all they ______ to save Yao Beina, a famous singer, but she still died.
| A．would | B．could | C．must | D．Might |
Look. How clean the window is! It ________ just now.
A. was cleaned B. is cleaned
. has been cleaned D. will be cleaned
The bus is coming. Oh, no! It's full. I'm afraid we can't ______.
| A．get on | B．get up |
| C．get out | D．get off |
To finish the task, we’ve tried three times, and after dinner we’ll try _________ time.
| A．the fourth | B．a fourth |
| C．fourth | D．four |
— Excuse me. Could you please tell me ______ my car?
—Sure. Park it right here. I’ll help you.
| A．how to stop | B．where to stop |
| C．where to park | D．when to park |