—Your flight was quite late last night.
—Yes, it was midnight __________ our plane finally got to Jinan.
| A．that | B．when | C．since | D．until |
Fruit juices can be harmful ___ children’s teeth.
| A．for | B．toward | C．with | D．to |
--Have you fed the dog?---No, but ____.
| A．I am | B．I’m just going to | C．I’m about | D．I’m just going |
The farmers were more anxious for rain than the people in the city because they had more ______.
| A．at length | B．at last | C．at stake | D．at most |
As is often pointed out, knowledge is a two-edged weapon which can be used ______ for good or evil.
| A．similarly | B．widely | C．equally | D．properly |
Heavy drinking used to be acceptable, but as drunken driving has caused so many tragedies public opinion is no longer ______.
| A．accurate | B．tolerant | C．appropriate | D．reliable |