Not until we left our school how warm it was there.
| A．had we realized | B．did we realize |
| C．have we realized | D．realized we |
The maker of the popular game Angry Birds announced on Tuesday that it would open its first overseas operation in Shanghai, _____ a clear step to further enter the booming Chinese market.
| A．to mark | B．marking | C．marked | D．having marked |
—Jack, this is the third time that you have been late this week.
—Sorry, sir, but I was ____ for 15 minutes on the way here in the traffic jam.
| A．held up | B．put up | C．taken up | D．given up |
—How was Robert's cooking?
—Oh, pretty good. I was quite _____.
| A．admired | B．interested | C．impressed | D．inspired |
Reportedly, yesterday a group of American soldiers were walking along the road in Iraq when a bomb was _______, three of whom were killed.
| A．set off | B．set out | C．set up | D．set about |
Surprisingly, Susan’s beautiful hair reached below her knees and made _____ almost an overcoat for her.
| A．them | B．her | C．itself | D．herself |