Dogs have a very good_____ of smell and are often used to search for survivors in an earthquake.
It is fairly common in Africa for _____ a group of musicians surrounded by others who also join in the performance.
I climbed the stairs slowly with a big suitcase, my fatherwith two more.
I ____ have been there, but I ____ not find the time.
____ is known to all is ____ Diaoyu Island is part of China.
----Where does your father work, Lucy? ----In England. But he _____ in France for 8 years.