______ in a red skirt in the opening ceremony of the 2008 Olympic Games, the little girl Lin Miaoke won the hearts of the people all over the world．

 Though I have often heard this song ______, I have never heard you ______ it.

____ in the fields on a March afternoon, he could feel the warmth of spring.

 I prefer studying English at home         the match.

Some comedians feel like telling jokes __________ the reaction of the audience.