题目内容
So difficult _______ it to acquire a large vocabulary without the help of a teacher that he was close to giving up.
A. he have left B. have he felt C. he did felt D. did he feel
【答案】
D
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题目内容
So difficult _______ it to acquire a large vocabulary without the help of a teacher that he was close to giving up.
A. he have left B. have he felt C. he did felt D. did he feel
D