(2013·吉林四校高三一诊)I really don't know how to thank you, but for your help, I ________ my lost necklace.
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A
couldn't have found
B
mustn't have found
C
couldn't find
D
wouldn't find
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If I hadn’t stood under the ladder to catch you when you fell, you _____ now.
#87397
A
didn’t smile
B
won’t smile
C
wouldn’t be smiling
D
couldn’t have smiled.
This vase ________ perfect but for a few small holes in its base.
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A
would have been 
B
should have been
C
shall be 
D
would be
—I didn't go to see the doctor yesterday.     —But you________.  
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A
ought
B
ought to
C
oughted to
D
ought to have
Look at the terrible situation I am in!If only I ________ your advice.
#87551
A
follow
B
had followed
C
would follow
D
have followed