. Why didn’t you come? Haven’t you __________?
| A．allowed | B．promised | C．invited | D．agreed |
This dictionary is _____ to my reading, but that one is __________.
| A．great help; helpless | B．a great help; of no use |
| C．important; of few importance | D．very helpful; of no any use |
. We can hope ___ the best but we must prepare ____ the worst at the same time.
| A．for; for | B．for; / | C．/; for | D．/; / |
.Professor White has received a letter ___ to give a lecture in Peking University.
| A．to be invited | B．being invited | C．invited | D．inviting him |
.The ____ in these villages has to get its water from well-spring.
| A．people | B．villagers | C．peasants | D．population |