问题描述：
How happy the kids are!They have nothing _______.
A.to worry about
B.worry
C.worried about
D.worrying
2.Very soon everyone was ______ because the speech was very ______.
A.boring,boring
B.bored,boring
C.boring,bored
D.bored,boren
请说明理由
A.to worry about
B.worry
C.worried about
D.worrying
2.Very soon everyone was ______ because the speech was very ______.
A.boring,boring
B.bored,boring
C.boring,bored
D.bored,boren
请说明理由
问题解答：
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