--Excuse me ,could you tell me where the post office is ?
---Ok.Between the two white buildings ___ the post office.
| A．are lying | B．lie | C．lies | D．lay |
The girl devoted all her spare time she had ___ others.
| A．to help | B．helped | C．to helping | D．help |
This is such a wonderful film ___ we have never seen.
| A．that | B．as | C．which | D．what |
___ nice, the food was sold out soon.
| A．Tasted | B．Tasting | C．To taste | D．Being tasted |
I think ___ knowledge of the Internet is ____ must in our work today.
| A．a…..a | B．the….an | C．the….the | D．/…an |