-CanI get you a cup of tea’-____________ .
A completely new situation is likely to _____ when the school leaving age is raised to 16.
The illness from which Mary is suffering has now been _____ as hepatitis (肝炎).
These continual _____ in temperature make it impossible to decide what to wear.
All foreign visitors are requested to _____ with the regulations in this area.
Thomas Edison considered genius to be _____ one per cent inspiration and ninety-nine percent perspiration.