The girl had been suffering from the lung cancer, yet she acted as if nothing__________ to her     while we were together.
#86659
A
happened
B
would happen
C
has happened
D
had happened
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— Catherine, I have cleaned the room for you. — Thanks. You ______ it. I could manage it myself. 
#90498
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done
I can’t find the recorder in the room. It ________ by someone.
#87740
A
may take
B
may have been taken away
C
must have taken away
D
needn’t have been taken away