The book is not popular with the youth, but ______ I think it is very good.
You’ve been working all morning –I think you _____a rest .
The taxi driver was _______$50 for ignoring the red light .
Taking _______exercises regularly will do good to our health .
It is my ______to check that all doors and windows are locked after everybody leaves .
We all know that the Great Britain will ______the Olympic Games in 2012.