问题
选择题
Li Yang, the founder of Crazy English, says that he copies it down _______ he comes to a sentence.
A．unless
B．while
C．because
D．every, time
答案
答案：D
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Li Yang, the founder of Crazy English, says that he copies it down _______ he comes to a sentence.
A．unless
B．while
C．because
D．every, time
答案：D