He liked to go to dances and parties, he could have a good time just sitting and watching.
| A．where | B．when | C．which | D．that |
Only when we failed ________ the importance of study.
| A．we realized | B．we had realized | C．did we realize | D．had we realised |
He rushed as fast as he could, ______not to be late for class.
| A．to hope | B．being hoped | C．hope | D．hoping |
city
| A．uncle | B．rescue | C．citizen | D．ocean |
enough
| A．though | B．daughter | C．neighbour | D．laugh |
decade
| A．mineral | B．confidence | C．generation | D．reduce |