--What kind of ________ makes 3G cellphones so popular with the young?
--Video communication, I think.
| A．mark | B．sign | C．symbol | D．feature |
The report was so _____ that they were all _____.
| A．inspiring; exciting | B．inspiring; excited |
| C．inspired; excited | D．inspired; exciting |
_____ Chinese, the foreigner didn’t know _____ the way.
| A．Knowing not; where to ask | B．Not knowing; how to ask |
| C．Not to know; where to ask | D．Don’t know; how to ask |
Look around when _____ the street.
| A．across | B．crossing | C．crossed | D．to be crossing |
At present, English is the main subject _____ here.
| A．to be taught | B．being taught | C．teaching | D．to be teaching |
Mother caught the boy _____ in the corner.
| A．smoke | B．to smoke | C．smoking | D．being smoked |