Peter is university student, and he is from United States.
A. an / the
B. a / ---
C. the / the
D. a / the
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The hospital bought X-ray machine day before yesterday.
A. an / the
B. the / an
C. a / the
D. an / a
It is a great way to show our thanks the end of the year.
A. to
B. by
C. toward
D. for
The staff wore hats all week and tipped them toward the volunteers we saw them.
A. as
B. before
C. after
D. at
During National Volunteer Week we recognized our volunteers taking them to the movies.
A. with
B. to
C. by
D. at