After the trainer was sure that the whale could look after itself, he _______ it into the sea.
| A．transported | B．delivered | C．released | D．handled |
I have had my bike _____, and I'm going to have somebody______ my radio tomorrow.
| A．repair; to repair | B．repairing; to be repaired |
| C．repaired; repair | D．to repair; repairing |
I sight of an empty seat at the back of the bus and went directly there.
| A．lost | B．caught | C．looked | D．took |
is no need
| A．It; complaining | B．That; complaining |
| C．There; to complain | D．This; to complain |
The poor man , ________，ran out of the dark cave.
| A．tiring and frightened | B．tired and frightened |
| C．tired and frightening | D．tiring and frightening |
His report was so exciting that it wasinterrupted by applause（掌声）.
| A．constantly | B．constant | C．seldom | D．never |