Professor James will give us a lecture on the Western culture, but when and where ____ yet.
I knew I shouldn't accept anything from such a per-son, but I found it difficult to turn down his __________
As equipment improved, satellites began __________ scientists __________ weather maps of the entire globe.
Asthe story __________,the truth about thestrange figure is slowly discovered.
—Did you go to India as planned? —No, we __________.
Don't __________ making mistakes. They are a naturalpart of learning.