Tony ____ for the company as an engineer for two decades. Now he teachesmechanics m Peking University.
| A．has worked | B．worked | C．is working | D．had worked |
It is believed that if a book is________, it will surely________the reader.
| A．interested …interest | B．interesting …be interested |
| C．interested …be interesting | D．interesting…interest |
_____ in thought completely, he didn’t even know what was going on.
| A．Losing | B．Lost | C．Having lost | D．Having been lost |
The manager introduced the rules that she would like to see _______ the next year.
| A．establish | B．establishing | C．established | D．to establish |
，Mom had a cup of coffee and a few minutes’ rest．
| A．With her housework done | B．With her housework being done |
| C．With her housework doing | D．With her housework to do |
When why he behaved that way at table，he made no reply．
| A．being asked | B．asked | C．asking | D．to ask |