题文
It is believed that _____ European scientist invented _______.
| A.an; a television | B.a; a television |
| C.an; the television | D.a; the television |
推荐试卷
It is believed that _____ European scientist invented _______.
| A.an; a television | B.a; a television |
| C.an; the television | D.a; the television |
试题篮
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