One of the most important questions they had to consider was__________ of public health
Peter and Bob both did well, but Peter is ________________of the two.
______________ about wild plants that they decided to make a trip to Madagascar for further research.
--What can I do for you?--I am looking for a birthday gift for my sister, _______at a proper price but fashionable.
-- Could I make it 14th July? --_______________________.
When people move to another country, they often try _________ the custom of their native land.