2 . We celebrate Mother’s Day in honor________our mothers. (用适当的词填空)

3 . Several of Shelly­Ann‘s friends and family were caught ________ in the killings; one of her cousins was shot dead only a few streets away from where she lived. (用适当的词填空)

4 . This smart keyboard doesn’t require a new type of technology that people aren’t already familiar ______. (用适当的词填空)

5 . More often than not, close friendships will help smooth ________ the sometimes rocky road ________ we are all meant to travel. (用适当的词填空)

6 . I still don’t feel like ________ (respond) ________ any of her online messages. (所给词的适当形式填空)

7 . She was ______ the point of going out when the telephone rang. (用适当的词填空)

8 . Please clear ______ the litter before you leave the office. (用适当的词填空)

9 . His later years were devoted largely ______ charitable work. (用适当的词填空)

10 . In a society _______ being thin is often seen as being beautiful, teenagers sometimes turn _______ extreme methods to slim _______ quickly. （用适当的词填空）