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英语语法学习情况调查问卷（六）
亲～，请留下您宝贵的想法，非常感谢您的参与！
C. Suddenly, a duck encountered a crocodile who wanted to eat it.
B. Suddenly, a crocodile caught it.
E. Dr. Jonson regards it as a problem that needs to be solved primarily around the world.
D. But Thompsondid not accept this comment.
B. Cultural differences do exist between us, but they can not stop us from being good friends.
