观察下列每组单词，判断它们各有几种读音, 并将编号填入格内。
| A．一种 | B．二种 | C．三种 | D．四种 |
（1）sport born worker word
（2）bread sweater great easy
（3）answered watched cleaned visited
（4）watches lives classes knives
相关试题
补全对话, 选择正确答案的编号在横线上。
John: Good morning ,Mike.
Tom: Good morning ,Tom.
John: You didn’t go to school yesterday. ___________________?
Tom: I went to visit my grandpa. He didn’t feel well.
John: ?
Tom: He had a cold.
John: Oh, I’m sorry to hear that. ？
Tom: I bought a cake for my grandpa.
John: ?
Tom: Yes, I’m going to see my grandpa tomorrow
John: I hope he will be better soon.
Tom: .
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