I can’t stand with Jane in the same office．She just refuses talking while she works．
| A．working；stopping | B．to work；stopping |
| C．working；to stop | D．to work；to stop |
___Mr Chen is waiting outside to speak to you. He appears to be quite ___ important person.
| A．/. an | B．A, an | C．The, the | D．The, / |
Suan!Where have you been? You have no idea ___ worried I was.
| A．how | B．that | C．that how | D．what |
—We all had a lot of fun at the barbecue yesterday. Pity you weren’t there.
—I really should have gone with you but I _____ on some remaining problems.
| A．worked | B．was working | C．would work | D．would have worked |
When you finish your work，don’t forget to put the tools back where they ．
| A．are | B．will be | C．were | D．had been |