[ Grammar ]
Using a projector, teachers can display visual images on smart interactive white boards, ____ improves the learning process.
A. that
B. what
C. which
D. why
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Grammar › ViewThe professor reminded the students ______ all their assignments before the final exam.
A. to submit
B. submit
C. submitting
D. submitted
Grammar › View
As it was very late, Sarah pleaded with the girls to go to bed.
A. Compound
B. Complex