Michelle Obama wears clothes that anyone can buy in a mall and ________ she may have a larger effect on consumers than ordinary models.

It may rain, but I shall go out_________.

 Eating properly and exercising _______ make one enjoy a longer and healthier life.

Our English teacher has a _____ teaching method.

The airline stewardess (空姐) said to passengers on ______ with a beautiful smile, “welcome _________!”