. All that can be done ______.
| A．has done | B．has been done | C．have done | D．have been done |
The worker agreed to _____ the strike if the company would satisfy their demands.
| A．call for | B．call forth | C．call off | D．call up |
---- What has made Mary so_____? ----- Losing her new bicycle.
| A．worrying | B．troublesome | C．upset | D．hurried |
The managing director took the _____ for the accident, althoughit was not really his fault.
| A．guilt | B．charge | C．blame | D．accusation |
He’d arrived20 minutesearly______I can have time for a cup of tea.
| A．as soon as | B．as a result | C．in case | D．so that |
The new secretary has written a remarkably _____ report only in a few pages but with all the details.
| A．concise | B．clear | C．precise | D．elaborate |