When they had finished playing, the children were made to __________ all the toys they had taken out.
| A．put off | B．put away |
| C．put up | D．put out |
–I must apologize for _____ ahead of time. –That's all right.
| A．letting you not know | B．not letting you know |
| C．letting you know not | D．letting not you know |
The Olympic Games, _____ in 776 BC., didn’t include women players until 1912.
A. first played B. to be first played
C. first playing D. to be first playing
_____ into use in April 2000, the hotline was meant for residents reporting water and heating supply breakdowns.
| A．Put | B．Putting | C．Having put | D．Being put |
Having been attacked by terrorists, _____.
| A．doctors cane to their rescue | B．the tall building collapsed |
| C．an emergency measure was taken | D．warnings were given to tourists |
The disc, digitally _____ in the studio, sounded fantastic at the party.
| A．recorded | B．recording |
| C．to be recorded | D．having recorded |