22．Despite the fact that Betty is a lovely girl, she____be extremely difficult to work with sometimes.
| A．must | B．should | C．would | D．Can |
. He looked rather untidy as there were two buttons _____ from his coat.
| A．loosing | B．losing | C．off | D．missing |
The _____ of the trees in the water was very clear.
| A．mirror | B．sight | C．reflection | D．shadow |
We all knew from the very _____ that the plan would fail.
| A．outcome | B．outset | C．income | D．output |
Today, housework has been made much easier by electrical _____.
| A．facilities | B．appliances | C．instruments | D．equipment |
It is wrong for someone in such a high _____ in the government to behave too badly in public.
| A．situation | B．position | C．employment | D．profession |