Dogs have a very good ______ of smell and are often used to search for survivors in the earthquake.
I tried to call you ____everything was ready for the English party , but you were not in .
Time goes by so fast . We must never miss the chance to show love for our parents and make them _____ how much they mean to us .
This is the most beautiful park I have _______ visited .
All the ____teachers and the ________students there are playing basketball on the playground .
The book is _______.I wrote____ name on its cover _____.