The teacher told the students that they______ to be useful men to the country.
| A．wereallexpected | B．wereallexpecting |
| C．allwereexpected | D．allexpected |
23. The way the guests_____in the hotel influenced their evaluation(评价) of the service.
| A．treated | B．were treated | C．would treat | D．would be treated |
22. He demanded that such things_____ from happening again.
| A．prevented | B．prevent | C．be prevented | D．should prevent |
21._____by a desire to learn, he was not interested in children’s play and adventure when he was young.
| A．Driven | B．Driving | C．To drive | D．To be drive |
20. The flu is believed________by viruses.
| A．causing | B．being caused | C．to be caused | D．to cause |
19. They________a lot of suggestions for improving the workers’ living conditions.
| A．put out | B．put forward | C．put on | D．put in |