His sister left home in 1998, and_______ ever since.
#102075
A
had not been heard of
B
has not been heard of
C
had not heard of
D
has not heard of
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―Hello!May I speak to Jack, please?  ―Yes, speaking. -Oh, I _______ your voice at first.
#101984
A
don’t recognize.
B
didn’t recognize.
C
hadn’t recognized.
D
haven’t recognized.
Mr.Wang ______ two boys to send the sick boy to the nearest hospital.
#104349
A
arranged
B
has arranged
C
had arranged for
D
has arranged for