________tomorrow’s lessons,I have no time to play with you.
#88717
A
Not preparing
B
Not prepared
C
Not having prepared
D
Having not prepared
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–What’s new on the Web?--Look!An amber(琥珀)______ the ancient spider’s web. 
#92926
A
containing
B
to contain
C
having been contained
D
being contained
Liu Xiang is believed _____ over $ 20 million in advertisements last year alone.
#91592
A
to earn
B
have earned
C
to have earned
D
having earned