The teacher is writing ____ a piece of chalk on the blackboard while the students are writing ____ink in exercise books.
A.with, in | B.in, with | C.in, in | D.with, with |
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The teacher is writing ____ a piece of chalk on the blackboard while the students are writing ____ink in exercise books.
A.with, in | B.in, with | C.in, in | D.with, with |