The teacher with his students _____ playing _____football at this tine yesterday.
#41205
A
was; the
B
is;the
C
were ;/
D
was; /
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Those were the graduate assistants ______ to do the research work in the lab.
#73726
A
to whom it was their responsibility
B
whose responsibility there was
C
whose responsibility was
D
of whom with the responsibility
This is Mr. Smith. _______ help I worked out many difficult problems.
#69258
A
whose
B
with whom
C
who
D
with whose