33. A police officer was killed when a bomb on his car _______.
| A．set up | B．broke up | C．blew up | D．fired up |
It was seven o’clock ______ I got to school this morning, _______ made our teacher very angry.
| A．when, that | B．that, that | C．when, which | D．that, when |
.Feeling very _______, he felt _______ he should take some actions.
| A．angry, strong | B．angry, strongly | C．angrily, strong | D．angrily, strongly |
The flowers ____ sweet in the botanic garden attract the visitors to the beauty of nature.
| A．smelling | B．to smell | C．smelt | D．to be smelt |
Some animals hibernate in the snow, which can ______ the cold.
| A．keep out | B．keep off | C．keep up | D．keep back |
Had I got to the airport earlier, I _______ you.
| A．might not miss to see | B．would not have missed seeing |
| C．should not miss seeing | D．would not have missed to see |