It was in the lab _______was taken charge of by Professor Harris ________they did the experiment.
A.which;that |
B.that;what |
C.whom;that |
D.which;where |
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It was in the lab _______was taken charge of by Professor Harris ________they did the experiment.
A.which;that |
B.that;what |
C.whom;that |
D.which;where |