题目内容
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
A
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题目内容
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
A