I was trying to pick up my hat that __________ off in the wind, but failed at last.
A. had been blown . is blown C. blown D. it had been blown
Close the door of fear behind you，and you ________ the door of faith open before you.
| A．saw | B．have seen |
| C．will see | D．are seeing |
________ made our school proud was ________ more than 60% of the students were admitted to key universities in 2013.
| A．What；because | B．That；what |
| C．That；because | D．What；that |
If the time is ________ exactly，the paper can be finished on time.
| A．made out | B．figured out |
| C．carried out | D．put out |
—________ you interrupt now？Can't you see I'm on the phone?
—Sorry，sir，but it's urgent.
| A．Can | B．Should |
| C．Must | D．Would |
________ several times，he still couldn't understand how to operate the machine.
| A．Telling | B．Having told |
| C．To be told | D．Having been told |