In western culture,21 was the age________ young people traditionally received a key to their parents’ door, as a symbol of entering adulthood.
| A．in which | B．on which | C．at which | D．to which |
30. Yesterday evening I came across the man _____ you think is pleased to _____.
| A．who, talk | B．whom, get along with | C．who, work with | D．whom, be talked with |
29. Both the soldier and the horse ______ after the long ride.
| A．gave out | B．worn out | C．tested out | D．ran out |
28. The hearings and comments often help managers avoid harmful decisions, leading them toward more _______ choices.
| A．useful | B．beneficial | C．important | D．influential |
27. The new teacher was very quick to _________ the rules of the school
| A．adapt to | B．addict to | C．concentrate on | D．depend on |
26. _____ about what he had done, the shy boy ran away as fast as possible.
| A．Having embarrassed | B．Embarrassing | C．To embarrass | D．Embarrassed |