I really don't know how to thank you, but for your help, I ________ my lost necklace.
#86411
A
couldn't have found
B
mustn't have found
C
couldn't find
D
wouldn't find
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—Catherine, I have cleaned the room for you.—Thanks. You _________it. I could manage it myself.  
#89249
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done
 ____ tennis every day ? 
#89779
A
Did you used to playing
B
Did you use to play
C
Use you to play
D
Used you play
—She joined a football team last fall and was recently made captain.  —Never _____ she'd ever have that much energy.
#89491
A
I had thought
B
I would have thought
C
could I have thought
D
will I have thought
I didn’t find his office. If only I       his address!
#86897
A
had taken
B
have taken
C
took
D
would take