It took John a month ______ reference books for his term paper.
A. collected
B. collecting
C. collect
D. to collect
People heard the movie star ______ that she respected fans.
A. said
B. say
C. to say
D. says
The first function of an art student is ______, to study nature.
A. to observe
B. observed
C. observe
D. observing
_______in reading, she didn’t notice me.
Absorbing
B. Absorb
C. Absorbed
D. Be absorbing
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