I _____ her, but I _____ her.
#81453
A
know; don’t hear of  
B
hear; don’t know
C
have known; haven’t heard of
D
have heard of; don’t know
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The visiting professor _____ giving lectures to students ______ invited to meetings at times.
#81590
A
preferred; to being
B
preferred to; rather than
C
preferred; than being
D
preferred; to being