问题
句型转换
将下列句子改为复数。
1. This pencil is long ang black.
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2. He has a red sweater.
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3. The banana is yellow.
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4. His student is having dinner now.
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答案
1. These pencils are long and black.
2. They have red sweaters.
3. The bananas are yellow.
4. Their students are having dinner now.