题目内容
The bell rang and came in Mr.Brown, a book in his hand. Then the class began.
| A.for | B.when | C.with | D.while |
C
解析
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题目内容
The bell rang and came in Mr.Brown, a book in his hand. Then the class began.
| A.for | B.when | C.with | D.while |
C
解析