问题 判断题

粘土中的细颗粒愈多时,则其干燥收缩愈小。

答案

参考答案:错

写作题
句型转换

将下列句子改成否定句和一般疑问句。

1. Mary is having supper now.

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2. David has many good friends.

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3. Lucy and Kate are in the bedroom.

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4. Sally's parents have a big house.

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5. The boy is very happy today.

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6. They like the park very much.

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7. They work very hard on weekdays..

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8. Jim cleans his room every day

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