题目内容：
根据资料回答第题。
From this passage we can learn that __________was last invented.
A. radio
B. television
C. telephone
D. vision-phone
参考答案：
答案解析：
单选题：根据资料回答第题。From this passage we can learn that __________was l
- 题目分类：英语(一)
- 题目类型：单选题
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From this passage we can learn that __________was last invented.
A. radio
B. television
C. telephone
D. vision-phone