Whoever comes here to have the meeting will be treated ________ a wonderful dinner.
| A．to | B．with | C．for | D．on |
Two years later, her father disappeared, never to be _________ again.
| A．heard from | B．hear about | C．hear of | D．heard out |
We want to encourage the students ________ the teaching.
| A．to participate in | B．participate in |
| C．participating | D．participate to |
What he said was not relevant _________ the matter in hand.
| A．in | B．to | C． for | D．at |
Those _________may leavetheclassroomnow.
| A．whohasfinished | B．whohavefinished |
| C．havefinished | D．whomhavefinished |
When they saw the police car, the attackers turned and ________ .
| A．flee | B．fleed | C．fled | D．slipped |