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题目内容
（国家开放大学人文英语4）
They have learned about _____in recent years.
单选题 (10 分) 10分
A.
several hundreds English words
B.
hundreds of English words
C.
hundred of English words
单选题 (10 分) 10分
A.
several hundreds English words
B.
hundreds of English words
C.
hundred of English words
参考答案