When asked what original intention led them to volunteer, about half of___ said they were willing to devote themselves.
Thomas Edison considered genius to be _____ one per cent inspiration and ninety-nine percent perspiration.
All foreign visitors are requested to _____ with the regulations in this area.
These continual _____ in temperature make it impossible to decide what to wear.
The illness from which Mary is suffering has now been _____ as hepatitis (肝炎).
A completely new situation is likely to _____ when the school leaving age is raised to 16.