Astronaut Zhai Zhigang has become the first Chinese_______in space.
| A．walking | B．walked | C．to have walked | D．to walk |
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 |
Shelly had prepared carefully for her biology examination so that she could be sure of passing it on her first ______.
| A．intention | B．attempt | C．purpose | D．desir |
They are ___ little children that we all like them.
| A．so | B．such | C．very | D．quite |