问题
选择题
. While reading, an active reader keeps asking questions that lead to a full understanding of the material _____.
A．read
B．being read
C．reading
D．to be read
答案
答案：D
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. While reading, an active reader keeps asking questions that lead to a full understanding of the material _____.
A．read
B．being read
C．reading
D．to be read
答案：D