We often provide our children with toys,footballs or basketballs, _______ that all children like these things.
It took a long time for the connection between body temperature and illness________.
It was just a ________remark - I wasn’t really serious.
This is a very special flower and it can ________a strong sweet perfume at night.
The engineer has spent one year working in the US and discovered how things ________overseas.
In the 21st century, all nations must take their ________of responsibility for the global safety.