题目内容
15、_______ they advance through the program, they will learn how to read short sentences with 100% accuracy.
A. As B. While C. Though D. Before
试题答案
15、A
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题目内容
15、_______ they advance through the program, they will learn how to read short sentences with 100% accuracy.
A. As B. While C. Though D. Before
试题答案
15、A